Quebec trails · Brompton ~ Principal ~ SE ~ Brompton
Brompton ~ Principal ~ SE ~ Brompton
A 8.4-mile out-and-back in Quebec, with 701 ft of climbing. Reaches Mont des Trois Lacs and other lake/summit/viewpoint destinations. Managed by Les Sentiers de l'Estrie inc..
Elevation profile
The climbing leans toward the middle third: 51% of the ascent falls between mile 2.8 and mile 5.6. It gives back about 1,587 ft along the way, so it rolls rather than climbing steadily.
3-D terrain
NRCAN MRDEM ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Reaches
- Mont des Trois Lacs (summit)
- Lac La Rouche (lake)
- Pv Gorge du ruisseau Ely (viewpoint)
- Pv Barrage de castor 2 (viewpoint)
- Pv Barrage de castor 1 (viewpoint)
- Pv Roche erratique (viewpoint)
- Pv Trois-Lacs 4 (viewpoint)
- Pv Ruisseau Ely (viewpoint)
- Pv Trois-Lacs 1 (viewpoint)
- Pv Trois-Lacs 5 (viewpoint)
Heads up
Getting there
Brompton ~ Principal ~ SE ~ Brompton access. 45.39444, -72.18546 · directions
Daylight at the trailhead
On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:33 a.m., the sun rises at 7:03 a.m. and sets at 6:05 p.m., and the last usable light fades about 6:35 p.m. (EDT) — 11 h 02 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 16.9-mile round trip takes roughly 6 h 57 min, so leaving the trailhead at sunrise puts you back around 1:59 p.m. — 4 h 06 min before sunset.
Loop options
- Brompton ~ Principal ~ SE ~ Brompton + Brompton ~ Alternatif ~ SE ~ Sentier secondaire du Mont des Trois-Lacs (500 m) — 5.6 mi loop, 582 ft gain
Nearby trails
- Kingsbury ~ Principal ~ SE ~ Kingsbury — 5.4 mi
- Sentier des Crêtes — 6.0 mi
- Sentier du Ruisseau-des-Chênes — 7.6 mi
- Richmond ~ Principal ~ SE ~ Principal — 16.1 mi