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© 2026 Roaming.Camp · Data from NPS, Recreation.gov, BLM, USFS, NWS, and the FCC.Operating on ceded ancestral land.Photography via Unsplash.

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Hike

Boulder Valley Ranch Trails

Ends at Left Hand Valley Reservoir

10.2 mi out & back · 611 ft gain · 5,390 ft high point · Moderate

Colorado · OpenStreetMap contributors

About Elevation Highlights Map Camp near here More hikes

About this hike

Boulder Valley Ranch Trails reach Left Hand Valley Reservoir on a 10.2-mile out and back route that gains 611 feet.

Elevation

611 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

13.9 mi from the trailhead
Peaceful Valley
Campground · Colorado
14.6 mi from the trailhead

More hikes nearby

Ranked the same way, within twenty-five miles.

22 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

Out: 240 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Left Hand Valley ReservoirDestination · 3.3 mi in
Mesa ReservoirNearby · 2.2 mi in
Loukonen Brothers ReservoirNearby · 2.9 mi in
Margaret Spurgeon Reservoir Number 1Nearby · 4.9 mi in
Fentress LakeNearby · 5.1 mi in

Map

The route at the trailhead. 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. Download the trail and feature data.

At a glance

Length: 10.2 mi
Shape: Out & back
Gain: 611 ft round trip
High point: 5,390 ft
Low point: 5,220 ft
Difficulty: ModerateFrom 10.2 mi and 611 ft of climbing
Managed by: OpenStreetMap contributors
State: Colorado
Camps within 15 mi: 2
Trailhead: 40.0980° N · 105.2461° W

Get directions Open the map

Camp Dick

Campground · Colorado

20 mi from you

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

Thunder Lake - Timberline

Ends at Boulder-Grand Pass
Inside Rocky Mountain National Park
3,739 ft of climbing

14.1 mi out & back · 3,739 ft gain · Very hard

Rocky Mountain National Park · Camp 2 mi away

Glacier Gorge Trail

Ends at Frozen Lake
Inside Rocky Mountain National Park
2,720 ft of climbing

11.5 mi out & back · 2,720 ft gain · Very hard

Rocky Mountain National Park · Camp 3 mi away

Chasm Lake Trail

Ends at Chasm Lake
Inside Rocky Mountain National Park
2,635 ft of climbing

8.0 mi out & back · 2,635 ft gain · Hard

Rocky Mountain National Park · Camp under a mile away

Thunder Lake Trail

Ends at Thunder Lake
Inside Rocky Mountain National Park
2,266 ft of climbing

11.7 mi out & back · 2,266 ft gain · Very hard

Rocky Mountain National Park · Camp 2 mi away

More like this

Hikes that read like this one, wherever they are.

Boulder Dash
- Passes Great Hill Reservoir
2.9 mi out & back · 384 ft gain · Easy
CT · Camp 10 mi away
Boulder Lake Trail
- Ends at Boulder Lakes
- Inside Deerlodge National Forest
- 1,341 ft of climbing
5.5 mi out & back · 1,341 ft gain · Moderate
Deerlodge National Forest · Camp 7 mi away
Boulder Lake
- Ends at Boulder Lake
- Inside Bitterroot National Forest
- 3,512 ft of climbing
19.5 mi out & back · 3,512 ft gain · Very hard
Bitterroot National Forest · Camp 5 mi away
Boulder Canyon
- Ends at Boulder Lake
- Inside Bridger Wilderness
- 3,333 ft of climbing
18.4 mi out & back · 3,333 ft gain · Very hard
Bridger Wilderness · Camp 6 mi away

Weather

7-day forecast

Tue68°38°Partly Sunny
Wed64°38°Sunny
Thu68°38°Sunny
Fri66°39°Mostly Sunny
Sat61°39°Mostly Sunny
Sun62°38°Mostly Sunny
Mon61°Mostly Sunny

Tue: Partly Sunny · wind 5 to 9 mph W

National Weather Service · refreshed hourly

Signal

Cell coverage here

Verizon5G · Good
AT&TLTE · Fair
T-Mobile5G · Fair

FCC coverage data · signal varies in remote terrain