Skip to content

Map Activities Discover Guides Trips Saves

A map of everywhere you can sleep outside in the U.S., with the weather and cell signal to match. Built to stay free.

Explore

Map
Hiking
State guides
Discover

Plan

Trip planner
My trips
Saves
Offline downloads

About

Privacy
Data deletion

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

Leave it better than you found it.

Hike

Mill Hollow

Passes Third Dam
Inside Cache National Forest
1,047 ft of climbing

3.8 mi out & back · 1,047 ft gain · 6,019 ft high point · Moderate

From Spring Hollow Trailhead via River (0.5 mi)

In Cache National Forest · Utah · U.S. Forest Service

About Elevation Highlights Map Camp near here More hikes

About this hike

Mill Hollow is a 3.8 mile out and back trail from Spring Hollow Trailhead via River, passing Third Dam in Cache National Forest.

Elevation

1,047 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

0.0 mi from the trailhead
Spring Hollow Campground
Campground · Utah

More hikes nearby

Ranked the same way, within twenty-five miles.

11 mi from you
Naomi Peak
- Summits Naomi Peak
- Inside Cache National Forest
- 2,227 ft of climbing
7.2 mi out & back · 2,227 ft gain · Hard
Cache National Forest · Camp under a mile away

Out: 990 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Third DamAlong the way · 0.2 mi in
ViewpointNearby · 0.0 mi in

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. Download the trail and feature data.

At a glance

Length: 3.8 mi
Shape: Out & back
Gain: 1,047 ft round trip
High point: 6,019 ft
Low point: 5,004 ft
Difficulty: ModerateFrom 3.8 mi and 1,047 ft of climbing
Managed by: U.S. Forest Service
State: Utah
Camps within 15 mi: 23
Start: Spring Hollow Trailhead
Trailhead: 41.7532° N · 111.7170° W

Get directions Open the map

0.5 mi from the trailhead

Dewitt Picnic Area

Campground · Utah

0.9 mi from the trailhead

Bridger Campground

Campground · Wyoming

17 mi from you

Brushy Springs

Summits Wellsville Cone
Inside Cache National Forest
4,485 ft of climbing

10.8 mi loop · 4,485 ft gain · Very hard

Cache National Forest · Camp 13 mi away

White Pine-Bunchgrass Canyon

Ends at White Pine Lake
Inside Cache National Forest
2,864 ft of climbing

16.1 mi out & back · 2,864 ft gain · Very hard

Cache National Forest · Camp under a mile away

Beirdneau

Passes Beirdneau Peak
Inside Cache National Forest
5,296 ft of climbing

15.4 mi out & back · 5,296 ft gain · Very hard

Cache National Forest · Camp 2 mi away

Double Top

Passes Doubletop Mountain
Inside Cache National Forest
4,282 ft of climbing

15.0 mi out & back · 4,282 ft gain · Very hard

Cache National Forest · Camp 3 mi away

Mount Naomi National Recreation Trail

Passes Mount Elmer
Inside Cache National Forest
7,278 ft of climbing

22.7 mi one way · 7,117 ft gain · Very hard

Cache National Forest · Camp 2 mi away

More like this

Hikes that read like this one, wherever they are.

Spring Hollow
- Passes Third Dam
- Inside Cache National Forest
- 3,754 ft of climbing
11.4 mi out & back · 3,754 ft gain · Very hard
Cache National Forest · Camp under a mile away
Bridger Look Off
- Ends at Third Dam
- Inside Cache National Forest
- Camp under a mile away
3.0 mi loop · 405 ft gain · Easy
Cache National Forest · Camp under a mile away
Mill Hollow
- Ends at Mill Hollow Reservoir
- Inside Uinta National Forest
- Camp under a mile away
2.8 mi loop · 690 ft gain · Moderate
Uinta National Forest · Camp under a mile away
Mollens Hollow
- Inside Cache National Forest
2.8 mi out & back · 625 ft gain · Moderate
Cache National Forest · Camp 7 mi away

Weather

7-day forecast

Today57°40°Sunny
Fri55°40°Mostly Cloudy
Sat45°34°Rain And Snow
Sun50°36°Mostly Sunny
Mon54°38°Partly Sunny
Tue50°35°Light Rain Likely
Wed44°33°Chance Rain And Snow

Today: Sunny · wind 2 to 7 mph SSE

National Weather Service · refreshed hourly

Signal

Cell coverage here

No carrier reports signal at this spot.

FCC coverage data · signal varies in remote terrain