Lost Falls & North Boundary Trail
15.8 mi · ▲ 4,618 ft · 7 hr 35 min
Lost Falls & North Boundary Trail is a 15.8-mile out-and-back in Rocky Mountain National Park near Loveland Heights, CO. The route reaches Lost Falls at the turnaround, 7.9 miles in. It climbs 4,618 ft, with sections as steep as 32% grade, and is mostly dirt. It scores 95/100 on the Ambleway Wildness scale: genuinely wild.
Elevation
Getting there
Directions
Lost Falls & North Boundary Trail
15.8 mi · ▲ 4,618 ft · 7 hr 35 min
Elevation 7,833–10,043 ft
Out & Back · Rocky Mountain National Park
Trailhead: Cow Creek Trail · 40.43170, -105.50135
Weather Sep 4: Light rain, high 80°F / low 58° · precip 7% · wind 8 mph · sunrise 6:33 AM · sunset 7:31 PM
No dogs on part of this route · Parking lot at the trailhead
- Start at the trailhead, heading SW.
- 50 ftBear left onto Cow Creek Trail, heading W.
- 350 ftTurn right onto North Boundary Trail, heading N.
- 5.7 miSharp left onto North Fork Trail, heading NE.
- 2.1 miTurn left, heading W.
- 350 ftReach Lost Falls, then turn around and head back the way you came.
- 2.2 miSharp right onto North Boundary Trail, heading NE.
- 5.7 miTurn left onto Cow Creek Trail, heading S.
- 350 ftBear right, heading SE.
- 50 ftArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Trail surface
Weather
Good to know
- No dogs on part of this route
- Parking lot at the trailhead
More from Cow Creek Trail Trailhead
- Cow Creek Trail 2 mi · ▲ 228 ft
- Cow Creek Trail 3.6 mi · ▲ 368 ft
- West Creek Falls & West Creek Falls Trail via North Boundary Trail 4 mi · ▲ 1,330 ft
- North Boundary Trail 4.5 mi · ▲ 1,824 ft
- North Boundary Trail 4.6 mi · ▲ 1,846 ft
- Fox Creek Falls via North Boundary Trail 4.9 mi · ▲ 1,980 ft
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Hikes near Loveland Heights, Colorado