Regional overview

The Lewis Hills are an ophiolite-and-peridotite massif on the west coast of insular Newfoundland, sitting between Stephenville to the south and Corner Brook to the north, on the south side of the Bay of Islands. They form the southernmost of the four Bay of Islands Ophiolite massifs — Lewis Hills, Blow Me Down Mountains, North Arm Hills/Gregory Mountains, and the Tablelands in Gros Morne National Park — exposing mantle peridotite that weathers to a rusty, almost plant-free barren. The high point, The Cabox (812–814 m), is the highest summit on the island of Newfoundland and the highest Appalachian summit in Canada north of Quebec’s Chic-Chocs. The massif is undulating high plateau, cut by deep “gulches” (Molly Ann Gulch is the best known), with stunted tuckamore forest below, then bog, then open peridotite barren above roughly 500 m. Caribou, arctic hare, and ptarmigan are the typical wildlife of the upper plateau.

The Lewis Hills sit outside any national or provincial park. They lie within the Cabox Aspiring Geopark project area but have no enforced trail network, no marked summit paths, and no maintained backcountry shelters. Almost all walking on the massif is by the International Appalachian Trail Newfoundland and Labrador (IATNL) backcountry routes — the Lewis Hills Trail traverse (Fox Island River to Serpentine Valley, about 32 km, normally 2–3 days) and the Cabox Summit loop (about 26.5 km from Cold Brook Road, normally a long day or 1 night). Road access is on rough logging roads: Cold Brook Road from Stephenville in the south (about 28–29 km from Route 460 to the trailhead) and Logger School Road from Mount Moriah / Benoit’s Cove in the north. A high-clearance vehicle is generally needed; logging roads change condition seasonally and have no signage or services. Frequencies of road maintenance vary; check locally before driving in.

The practical hiking season is roughly late June to early October. Snow can linger in the gulches and on north-facing slopes well into July; the upper plateau is exposed and prone to fast weather changes, with sustained winds over 100 km/h recorded in Molly Ann Gulch. There is no cell coverage on the massif and effectively no chance of casual rescue: parties should carry a satellite communicator (Garmin inReach, Zoleo, or equivalent), full navigation backup (paper map, compass, downloaded topo), and be self-sufficient. Black bears, moose, and biting insects (blackfly, mosquito) are all present; cool-season caribou herds use the upper plateau. The area is also subject to active logging access — be aware of working trucks on the approach roads.

Public, legally reusable route geometry for Lewis Hills day-hikes is thin. Most published descriptions are by IATNL volunteers, by the Cabox Aspiring Geopark, or by local guiding businesses (Gros Morne Outdoor Company / Lewis Hills Trek), and no official GPX/KML downloads are offered by IATNL or by Newfoundland and Labrador Tourism for the core Lewis Hills routes. Community tracks exist on Wikiloc, AllTrails, and Trailforks but are not always licence-clean. Most of the five candidates below are accordingly retained as Candidate only or Route verified, media pending.

Selection rationale

The five hikes represent the main day-hiking possibilities associated with the Lewis Hills massif: the high summit (The Cabox), the standard signed gateway viewpoint near Stephenville (Erin Mountain), a day section of the IATNL Lewis Hills Trail / traverse, the closest analogous ophiolite ridge experience in the sister Blow Me Down Mountains massif immediately to the north, and a coastal walk on the Port au Port Peninsula that provides a paid-trail, all-weather alternative when the high plateau is closed by weather. One requested option, “Blow Me Down peak/area within the Lewis Hills group”, does not correspond to a separate Lewis-Hills summit in checked sources — Blow Me Down Mountains are a distinct massif to the north — and the Blow Me Down Mountain Trail is retained as the closest verifiable equivalent, clearly flagged as a sister-massif route. A “Gallants Trail” was searched for but could not be verified in IATNL, ParksNL, NL Tourism, or community trail databases in this pass.

Summary table

# Hike Country Route type Distance Gain Max elevation Difficulty
1 The Cabox via IATNL Cabox Summit loop Canada Loop (long day or 1 night) 26.5–27 km ~450–500 m 812–814 m Strenuous; wilderness route
2 Erin Mountain Trail, Barachois Pond Provincial Park Canada Out-and-back 6–7.1 km ~300 m ~340 m Moderate
3 Lewis Hills Trail — IATNL day section from Cold Brook Road Canada Out-and-back day section 10–15 km return 400–700 m ~700–812 m Strenuous; unmarked wilderness
4 Blow Me Down Mountain Trail — IATNL day section (sister massif) Canada Out-and-back day section 10–18 km return 500–700 m ~600 m Strenuous; unmarked wilderness
5 Boutte du Cap “La Marche des Miettes” (Bread Crumb Trail), Cape St. George Canada Loop / out-and-back ~7.4 km ~250 m Coastal headland Moderate
Peridotite barren of the Tablelands in Gros Morne National Park, a sister massif within the same Bay of Islands Ophiolite Complex as the Lewis Hills
Photo: Bigg(g)er, CC BY-SA 3.0, via Wikimedia Commons. Shown for geological context only — this is the Tablelands in Gros Morne, a sister Bay of Islands Ophiolite massif, not the Lewis Hills themselves. No licence-compatible photo of the Lewis Hills proper was verified in this pass.

1. The Cabox via IATNL Cabox Summit loop

Snapshot

CountryCanada
Sub-regionLewis Hills Ophiolite Massif, west of Stephenville
StartEnd of Cold Brook logging road (Cold Brook Road from Route 460, Stephenville); reported trailhead approx. N48.76643 W58.41304, about 360 m elevation
FinishSame
Route typeLoop, unmarked wilderness route; commonly hiked as a very long day or with one wild camp
Distance26.5–27 km depending on source/variant (IATNL Cabox Summit page reports 26.5 km; some accounts round to 27 km)
Elevation gainApprox. 450–500 m of net climb (trailhead ~360 m to Cabox 812–814 m, plus undulations across the plateau); precise cumulative gain not published by IATNL
Elevation lossApprox. equivalent on return
Maximum elevation812–814 m at The Cabox (sources vary: IATNL gives 812 m / 2,664 ft; Wikipedia / NL Tourism give 814 m / 2,671 ft)
Estimated time10–12 h for fit, route-finding-experienced parties; commonly split with a wild camp
DifficultyStrenuous; unmarked, very remote wilderness route across peridotite barren and bog
Best seasonLate June to early October; snow can linger in gulches into July
Public transportNone; private vehicle on rough logging road essential
Verification statusCandidate only (route established by IATNL; stats reasonable but no official GPX, no licence-compatible photo verified)

Itinerary

The route leaves the end of Cold Brook logging road on the southeast flank of the massif and climbs through stunted forest and bog, opening out onto the open peridotite plateau within the first few kilometres. The loop crosses bog, rock outcrops, small ponds, and a sequence of low hills, with The Cabox itself a broad, gently rounded high point rather than a sharp summit. There is no signed path on the plateau; only occasional cairns and the worn trace of animal trails. Routefinding is by map, compass, and GPS, working between identifiable knolls and lakes. Wind exposure on the summit plateau is significant. The return leg drops back through bog and forest to the logging road.

Why it is essential

The Cabox is the highest summit on the island of Newfoundland and the highest Appalachian point in Canada north of Quebec, which alone makes it the defining objective of any Newfoundland Appalachian list. The peridotite-barren landscape is unusual on a global scale and shared only with the Tablelands of Gros Morne, the Blow Me Down Mountains, and the North Arm Hills.

Equipment

Mountain hiking equipment: sturdy boots, weatherproof shell (jacket and trousers), warm layer plus spare insulating layer, hat and gloves outside high summer, full sun protection. Map (NTS topographic), compass, GPS with downloaded route, satellite communicator (Garmin inReach / Zoleo or equivalent). 3 L water minimum (refilling possible at plateau ponds with filtration). Headtorch and spare batteries. Insect head net. Bear-aware food storage if camping. Permit not required, but access is across active logging roads — pull off for trucks.

Hazards and notes

  • Weather changes very fast; sustained winds over 100 km/h have been recorded in Molly Ann Gulch.
  • Snow may persist on the plateau and in gulches into July.
  • No cell coverage on the massif; no maintained shelters; no easy bail-out — carry a satellite communicator and treat navigation in mist as the principal risk.
  • Cold Brook Road is rough — high-clearance vehicle recommended; condition can change after rain or in early season.
  • Routefinding in mist is genuinely difficult and parties have been benighted; do not commit to the loop without GPS, paper map, and compass.
  • The Cabox summit elevation is reported as 812 m by IATNL and 814 m by Wikipedia / NL Tourism — both are commonly cited; the spec retains both figures.

Routes and maps

Source URL
IATNL — Cabox Summit page (text route description and trailhead coordinates; no GPX download published) iatnl.org
IATNL — Cabox Summit details and directions (trailhead coordinates N48.76643 W58.41304) iatnl.org
Trailpeak — Cabox (community track) trailpeak.com
OpenStreetMap area query — Lewis Hills openstreetmap.org

2. Erin Mountain Trail, Barachois Pond Provincial Park

Snapshot

CountryCanada
Sub-regionBarachois Pond Provincial Park, Long Range Mountains foothills facing the Lewis Hills, about 18 km southeast of Stephenville
StartTrailhead inside Barachois Pond Provincial Park, off the Trans-Canada Highway between the two Stephenville exits (Routes 460 and 490)
FinishSame
Route typeOut-and-back
Distance6–7.1 km return (AllTrails reports 7.1 km; local descriptions give about 3 km one way to the summit)
Elevation gainApprox. 300 m (summit at ~340 m; campground access at ~50 m)
Elevation lossApprox. 300 m on return
Maximum elevation~340 m
Estimated time2–3 h round trip
DifficultyModerate — easy lower boardwalk, then steeper steps and stairs on the upper section
Best seasonLate May to October; boardwalks and stairs can be slippery when wet or frosted
Public transportNone to the trailhead; park is on the Trans-Canada Highway, normally accessed by private vehicle
Verification statusRoute verified, media pending

Itinerary

The trail begins inside Barachois Pond Provincial Park, climbing gently from the campground area on boardwalk and well-graded path through mixed boreal forest (spruce, fir, larch, aspen). After roughly a third of the climb, a side spur reaches a lookout over Barachois Pond and the campground. The upper half of the trail is steeper and uses extensive wooden stairs and boardwalk sections to climb the flank of the mountain. The summit area is a rocky lookout at about 340 m, with views west across Bay St. George and the Gulf of St. Lawrence, southwest to the Port au Port Peninsula, and northwest to the Lewis Hills massif on the opposite side of the valley. Return is by the same route.

Why it is essential

Erin Mountain is the only properly signed, maintained, low-commitment hike in close proximity to the Lewis Hills, and its summit gives the standard “viewpoint of the Lewis Hills” panorama. It is the gateway day-walk for visitors based in Stephenville and a sensible weather alternative when the high plateau is closed in by cloud or wind. Geologically it sits on the Long Range side of the valley, not on the Lewis Hills ophiolite, but it is the only convenient signed-trail viewpoint of the massif itself.

Equipment

Standard hiking equipment: hiking shoes or trail runners (boots not strictly required), weatherproof layer, warm layer, water (1–1.5 L), food, sun protection. Insect repellent and head net in summer. ParksNL day-use pass required.

Hazards and notes

  • Wooden stairs and boardwalk become slick when wet, snowy, or icy; not recommended outside the open park season without proper footwear.
  • Black bear and moose are present in the park; standard wildlife awareness applies.
  • A ParksNL day-use pass is required for park entry.

Routes and maps

Source URL
AllTrails — Erin Mountain Trail alltrails.com
Trailforks — Erin Mountain Trail trailforks.com
ParksNL — Barachois Pond Provincial Park (map PDF) parksnl.ca

3. Lewis Hills Trail — IATNL day section from Cold Brook Road

Snapshot

CountryCanada
Sub-regionLewis Hills Ophiolite Massif, southern access
StartEnd of Cold Brook logging road, southern Lewis Hills Trail trailhead
FinishSame; partial out-and-back into the southern plateau, turning back well short of Serpentine Valley
Route typeOut-and-back day section of the multi-day IATNL Lewis Hills traverse (full traverse is 32 km, normally 2–3 days, Fox Island River to Blue Brook in Serpentine Valley)
Distance10–15 km return as a day section (variable; depends on how far the party penetrates the plateau)
Elevation gain400–700 m depending on how far the day section goes
Elevation lossEquivalent on return
Maximum elevation~700–812 m depending on whether the party also tags The Cabox
Estimated time6–10 h day section
DifficultyStrenuous; unmarked wilderness route; only short marked segments where IATNL flagging exists
Best seasonLate June to early October
Public transportNone
Verification statusCandidate only (route exists, but no official GPX, no published per-day distance, no licence-compatible photo verified)

Itinerary

The Lewis Hills Trail is the IATNL backcountry route that crosses the massif from Fox Island River (south, with the practical road access at the end of Cold Brook Road) to Blue Brook in Serpentine Valley (north, accessed via Logger School Road). As a day hike, parties commonly walk from the Cold Brook trailhead onto the plateau, ascend toward the higher central ground, and return the same way without committing to the full traverse and pickup logistics. The early kilometres are wet, crossing bog and small streams through stunted forest; the trail then opens onto a series of low ridges and shallow valleys on the open peridotite barren, characteristically reddish-brown underfoot, with sparse vegetation and small ponds. Only short segments are flagged with IATNL markers; most travel is by line of sight between cairns and identifiable plateau features. The day section can be extended to take in The Cabox itself (see Hike 1) for parties with full daylight, navigation gear, and a strong margin for weather.

Why it is essential

The Lewis Hills Trail is the only published through-route across the Lewis Hills, and a day section from Cold Brook Road is the most realistic way to experience the open peridotite barren and high gulches without committing to a full multi-day traverse and shuttle.

Equipment

Mountain hiking equipment, plus: paper map, compass, GPS with downloaded route, satellite communicator, full waterproof shell, warm layer, hat and gloves outside high summer, 3 L water, insect protection, headtorch. Bear-aware food storage if extending into late afternoon.

Hazards and notes

  • Unmarked wilderness route across open plateau — mist navigation is the principal hazard.
  • Sustained high winds and rapidly changing weather; snow possible into July in shaded gulches.
  • No cell coverage on the massif; satellite communicator strongly recommended and no casual rescue is realistic.
  • Cold Brook Road is a working logging road; condition and access can vary.

Routes and maps

Source URL
IATNL — Lewis Hills Trail description iatnl.org
IATNL — Lewis Hills Trail details & directions iatnl.org
IATNL legacy site — Lewis Hills Trail iatnl.com
Trailpeak — Lewis Hills alternate route to Cabox (community track) trailpeak.com
Wikiloc area search — Lewis Hills wikiloc.com
OpenStreetMap — Lewis Hills openstreetmap.org

4. Blow Me Down Mountain Trail — IATNL day section (sister massif, north of Lewis Hills)

Snapshot

CountryCanada
Sub-regionBlow Me Down Mountains Ophiolite Massif, west of Corner Brook and north of the Lewis Hills (sister massif within the same Bay of Islands Ophiolite Complex; not the same as Blow Me Down Provincial Park on the coast)
StartEither the Blow-Me-Down Brook Trail trailhead (approx. 5 km past Frenchman's Cove on Route 450) or the Copper Mine to Cape Trail (at the entrance to York Harbour)
FinishSame (day-section out-and-back)
Route typeOut-and-back day section of a multi-day backcountry route (full route 35–50 km depending on variant, 2–3 days)
Distance10–18 km return as a day section (variable)
Elevation gain500–700 m for a day section reaching open plateau
Elevation lossEquivalent on return
Maximum elevationAbout 600 m at Blow Me Down Head; the wider Blow Me Down massif tops out lower than the Lewis Hills
Estimated time6–10 h day section
DifficultyStrenuous; unmarked wilderness route on the upper plateau
Best seasonLate June to early October
Public transportNone
Verification statusCandidate only (sister massif route; included as proxy for the requested "Blow Me Down peak/area within the Lewis Hills group", which does not correspond to a separate named Lewis-Hills summit in checked sources)

Itinerary

The IATNL Blow Me Down Mountain Trail crosses the Blow Me Down Mountains west of Corner Brook, rising to about 600 m at Blow Me Down Head with panoramic views of the outer Bay of Islands from Lark Harbour westward. As a day hike, parties commonly walk in from one of the northern coastal access points — Blow-Me-Down Brook Trail (about 5 km past Frenchman’s Cove) or Copper Mine to Cape Trail (at the entrance to York Harbour) — climb steeply through coastal forest onto the open peridotite plateau, and return the same way. The plateau is similar in character to the Lewis Hills: rusty barren rock, scattered ponds, exposed wind, and intermittent IATNL markers. Recent work by the Cabox Aspiring Geopark and OBIEC (Outer Bay of Islands Enhancement Committee) has improved the East Blow Me Down trail on the eastern side of York Harbour.

Why it is essential

The Blow Me Down Mountains are the immediate northern neighbour of the Lewis Hills and share their ophiolite character, with shorter and somewhat better-organised approach trails. Including a Blow Me Down day-section gives the catalogue a more achievable second peridotite-plateau option for visitors who cannot commit to The Cabox loop. The full Blow Me Down crossing is also frequently combined with the Lewis Hills in the multi-day IATNL “Lewis Hills / Blow Me Down trek”. Note: there is no separately named “Blow Me Down peak” within the Lewis Hills themselves — the Blow Me Down Mountains are a distinct massif to the north, and this entry is retained as the closest verifiable proxy.

Equipment

Mountain hiking equipment, plus: paper map, compass, GPS, satellite communicator, full waterproof shell, warm layer, hat and gloves outside high summer, 2–3 L water, insect protection, headtorch.

Hazards and notes

  • Routefinding on the upper plateau is similar in difficulty to the Lewis Hills — mist navigation is the principal hazard.
  • Coastal weather can close in fast; the upper plateau is fully exposed.
  • No cell coverage on the upper plateau; carry a satellite communicator.
  • Access roads are paved (Route 450) but the trailheads themselves are basic.
  • Do not confuse with Cape Blow Me Down Trail / Bottle Cove on the outer Bay of Islands coast — those are short, well-signed coastal walks, not the IATNL mountain route.

Routes and maps

Source URL
IATNL — Blow Me Down Mountain Trail iatnl.com
IATNL — Exploring the Western Blow Me Downs iatnl.org
IATNL — A Lewis Hills / Blow-Me-Down Trek iatnl.org
Trailpeak — Blow-Me-Down to Lewis Hills Traverse trailpeak.com
OpenStreetMap — Blow Me Down Mountains openstreetmap.org

5. Boutte du Cap “La Marche des Miettes” (Bread Crumb Trail), Cape St. George

Snapshot

CountryCanada
Sub-regionPort au Port Peninsula, Cape St. George (coastal extension of the Lewis Hills sub-region, southwest of Stephenville)
StartBoutte du Cap Park, Cape St. George, off Route 460 / Seashore Lane
FinishSame
Route typeLoop / out-and-back along the cape cliffs
Distance~7.4 km (AllTrails community track for La Marche des Miettes)
Elevation gain~250 m (AllTrails reports ~254 m / 833 ft)
Elevation lossEquivalent on return
Maximum elevationCoastal headland — modest absolute elevation, but high cliff edge above the Gulf of St. Lawrence
Estimated time2.5–3.5 h
DifficultyModerate
Best seasonJune to early October; cliff edge is exposed in any weather
Public transportNone to the trailhead; private vehicle from Stephenville
Verification statusCandidate only (route exists per AllTrails / Newfoundland tourism; no official GPX, no licence-compatible photo verified)

Itinerary

The trail leaves Boutte du Cap Park at the southwestern tip of the Port au Port Peninsula, near the traditional French bread oven (“Four à Pain”) that gives the route its local name (“La Marche des Miettes” — the Bread Crumb Trail). The path follows the cliff line along the cape, with views west and south across the Gulf of St. Lawrence, before reaching kittiwake colonies that are reported as the largest in western Newfoundland. The route undulates above sea cliffs through windswept dwarf pine, juniper, and berry scrub before returning to the park. The headland also hosts the only Acadian Monument in Newfoundland.

Why it is essential

The Cape St. George coastal route is the most reliable signed, low-commitment walk in the wider Lewis Hills / Bay St. George catchment. It is included as a coastal weather-alternative for visitors when the high Lewis Hills plateau is closed by wind or cloud, and as a representative cultural and seabird-cliff walk for the Port au Port Peninsula. It is not on the Lewis Hills massif itself, but it sits within the same drive-day from Stephenville.

Equipment

Standard hiking equipment: hiking shoes or light boots, weatherproof layer (cliff exposure to Atlantic wind), warm layer, water (1.5 L), food, sun protection, binoculars for seabirds. Keep well back from cliff edges, particularly with children.

Hazards and notes

  • Unfenced sea cliffs; high winds; do not approach edges in wet or icy conditions.
  • Seabird colonies are sensitive; do not disturb nesting kittiwakes.
  • No services on the trail; nearest facilities at Cape St. George village.
  • Camping is available in the park from late June to end September per local reports; confirm current dates with the town of Cape St. George before relying on them.

Routes and maps

Source URL
AllTrails — La Marche des Miettes alltrails.com
OpenStreetMap — Cape St. George openstreetmap.org
Wikimedia Commons category — Cape St. George (per-file licence check required before reuse) commons.wikimedia.org
Source URL
IATNL primary iatnl.org
IATNL legacy iatnl.com
IATNL — Cabox Summit iatnl.org
IATNL — Cabox Summit description iatnl.org
IATNL — Cabox Summit details & directions iatnl.org
IATNL — Lewis Hills Trail description iatnl.org
IATNL — Lewis Hills Trail details & directions iatnl.org
IATNL — Blow Me Down Mountain Trail iatnl.com
IATNL — A Lewis Hills / Blow-Me-Down Trek iatnl.org
IATNL — Exploring the Western Blow Me Downs iatnl.org
IATNL — Blow Me Down Traverse iatnl.org
Cabox Aspiring Geopark caboxgeopark.org
Cabox Aspiring Geopark — Lewis Hills Massif caboxgeopark.org
Cabox Aspiring Geopark — Blow Me Down Massif caboxgeopark.org
Cabox Aspiring Geopark — East Blow Me Down trail update caboxgeopark.org
Newfoundland and Labrador Tourism newfoundlandlabrador.com
Newfoundland and Labrador Tourism — Lewis Hills Trail newfoundlandlabrador.com
Newfoundland and Labrador Tourism — Erin Mountain Trail newfoundlandlabrador.com
ParksNL parksnl.ca
ParksNL — Barachois Pond Provincial Park parksnl.ca
Wikipedia — Lewis Hills en.wikipedia.org
Wikipedia — The Cabox en.wikipedia.org
Wikipedia — Barachois Pond Provincial Park en.wikipedia.org
Wikipedia — Blow Me Down Provincial Park (separate from the IATNL Blow Me Down Mountain Trail) en.wikipedia.org
Wikipedia — Cape St. George, Newfoundland and Labrador en.wikipedia.org
Wikimedia Commons — Cape St. George category commons.wikimedia.org
Gros Morne Outdoor Company — Lewis Hills Trek in-depth grosmorneoutdoor.ca
Lewis Hills Trek (commercial guide site) lewishills.ca
Viajar a pie — Newfoundland IAT Section 1: Lewis Hills & Blow-me-Down viajarapie.info
Canada Trails — Hiking the Lewis Hills canadatrails.ca
Canada Trails — Hiking the Blow-Me-Down Mountains canadatrails.ca
Everoutdoor — Cabox Aspiring Geopark / Blow Me Down everoutdoor.ca
Outdoors & On the Go — Lewis Hills Traverse trip report outdoorsandonthego.com
OpenStreetMap openstreetmap.org
Wikiloc wikiloc.com
AllTrails alltrails.com
Trailforks trailforks.com
Trailpeak trailpeak.com