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Cloudy morning at bear lake (37317249226)

Hike

Flattop Mountain Trail

Passes Flattop Mountain
Inside Rocky Mountain National Park
2,979 ft of climbing

8.6 mi out & back · 2,979 ft gain · 12,328 ft high point · Very hard

From Bear Lake Trailhead via the Bear Lake Loop Trail, the Flat Top Mountain Trail, and the Bear Lake To Bierstadt Junction Trail (0.4 mi)

In Rocky Mountain National Park · Colorado · National Park Service

About Elevation Highlights Map Camp near here More hikes

About this hike

This out and back route from Bear Lake Trailhead ascends Flattop Mountain in Rocky Mountain National Park, climbing 2,979 feet to reach a 12,328-foot peak.

Elevation

2,979 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

2.9 mi from the trailhead
Glacier Basin Campground
Campground · Colorado

More hikes nearby

Ranked the same way, within twenty-five miles.

10 mi from you
Mount Ida
- Summits Mount Ida
- Inside Rocky Mountain National Park
- 2,597 ft of climbing
9.3 mi out & back · 2,597 ft gain · Hard
Rocky Mountain National Park · Camp 3 mi away

Out: 2,870 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

ViewpointDestination · 4.3 mi in
Bear LakeAlong the way · 0.1 mi in
Dream Lake OverlookAlong the way · 1.5 mi in
Emerald Lake OverlookAlong the way · 2.7 mi in
Flattop MountainAlong the way · 4.0 mi in
ViewpointNearby · 1.1 mi in
ViewpointNearby · 1.2 mi in
ViewpointNearby · 1.5 mi in
Dream LakeNearby · 1.5 mi in
Emerald LakeNearby · 2.5 mi in
Tyndall GlacierNearby · 4.0 mi in
Ptarmigan GlacierNearby · 4.3 mi in

Nearby reading

Ptarmigan Pass (Front Range)
Tyndall Glacier (Colorado)
Hallett Peak

Map

The hike from its start, the approach dashed. Drag with two fingers, or hold a key to zoom.

Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Photos: Wikimedia Commons contributors, licensed as shown on each photo. Download the trail and feature data.

At a glance

Length: 8.6 mi
Shape: Out & back
Gain: 2,979 ft round trip
High point: 12,328 ft
Low point: 9,462 ft
Difficulty: Very hardFrom 8.6 mi and 2,979 ft of climbing
Managed by: National Park Service
State: Colorado
Camps within 15 mi: 19
Start: Bear Lake Trailhead
Trailhead: 40.3121° N · 105.6463° W

Get directions Open the map

3.0 mi from the trailhead

Rocky Mountain National Park Glacier Basin Campground

Campground · Colorado

4.1 mi from the trailhead

Moraine Park Campground

Campground · Colorado

4 mi from you

Longs Peak Trail

Summits Longs Peak
Inside Rocky Mountain National Park
5,290 ft of climbing

13.7 mi out & back · 5,290 ft gain · Very hard

Rocky Mountain National Park · Camp under a mile away

Twin Sisters Tr

Summits Twin Sisters Peaks
Inside Rocky Mountain National Park
2,278 ft of climbing

6.6 mi out & back · 2,278 ft gain · Hard

Rocky Mountain National Park · Camp 2 mi away

Andrews Glacier Trail

Ends at Andrews Glacier
Inside Rocky Mountain National Park
2,340 ft of climbing

8.8 mi out & back · 2,340 ft gain · Very hard

Rocky Mountain National Park · Camp 3 mi away

Hitchens Gulch / Lake Of The Clouds Trail

Ends at a waterfall
Inside Rocky Mountain National Park
3,016 ft of climbing

12.4 mi out & back · 3,016 ft gain · Very hard

Rocky Mountain National Park · Camp 2 mi away

Flat Top Mountain Trail

Ends at Bear Lake
Inside Rocky Mountain National Park
5,739 ft of climbing

16.6 mi out & back · 5,739 ft gain · Very hard

Rocky Mountain National Park · Camp 3 mi away

More like this

Hikes that read like this one, wherever they are.

Flat Top Mountain Trail
- Ends at Bear Lake
- Inside Rocky Mountain National Park
- 5,739 ft of climbing
16.6 mi out & back · 5,739 ft gain · Very hard
Rocky Mountain National Park · Camp 3 mi away
Flattop Mountain Trail Junction - Cub Lake
- Ends at Fern Falls
- Inside Rocky Mountain National Park
- 3,273 ft of climbing
11.3 mi loop · 3,257 ft gain · Very hard
Rocky Mountain National Park · Camp 3 mi away
Tonahutu Creek-Flattop Junction
- Passes Ptarmigan Point
- Inside Rocky Mountain National Park
- 6,384 ft of climbing
21.8 mi out & back · 6,384 ft gain · Very hard
Rocky Mountain National Park · Camp 5 mi away
North Inlet-Flattop Junction
- Ends at a viewpoint
- Inside Rocky Mountain National Park
- 4,708 ft of climbing
24.0 mi out & back · 4,708 ft gain · Very hard
Rocky Mountain National Park · Camp 4 mi away

Signal

Cell coverage here

VerizonLTE · Poor
T-MobileLTE · Fair

FCC coverage data · signal varies in remote terrain

Weather

7-day forecast

Sat42°33°Chance Snow Showers
Sun45°34°Chance Snow Showers
Mon35°29°Snow Showers
Tue41°29°Sunny
Wed42°27°Chance Snow Showers
Thu39°27°Mostly Sunny
Fri39°Partly Sunny

Sat: Chance Snow Showers · wind 6 to 14 mph WSW

National Weather Service · refreshed hourly