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

1A3 Campsite Spur Trail

Passes Undine Falls
Inside Yellowstone National Park
Camp 4 mi away

3.0 mi out & back · 630 ft gain · 6,598 ft high point · Moderate

Via the Lava Creek Trail (1.5 mi)

In Yellowstone National Park · Wyoming · National Park Service

About Elevation Highlights Map Camp near here More hikes

About this hike

1A3 Campsite Spur Trail is a 3.0-mile out and back route via Lava Creek Trail in Yellowstone National Park along Undine Falls, with Wraith Falls nearby.

Elevation

630 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

3.7 mi from the trailhead
Mammoth Campground (Yellowstone)
Campground · Wyoming

More hikes nearby

Ranked the same way, within twenty-five miles.

15 mi from you
Mount Washburn Spur Trail
- Summits Mount Washburn
- Inside Yellowstone National Park
- 3,966 ft of climbing
16.9 mi out & back · 3,966 ft gain · Very hard
Yellowstone National Park · Camp under a mile away

Out: 40 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Undine FallsAlong the way · 0.4 mi in
Wraith FallsNearby · 0.0 mi in
Wraith FallsNearby · 0.0 mi in
Undine Falls ViewpointNearby · 0.5 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: 3.0 mi
Shape: Out & back
Gain: 630 ft round trip
High point: 6,598 ft
Low point: 6,086 ft
Difficulty: ModerateFrom 3.0 mi and 630 ft of climbing
Managed by: National Park Service
State: Wyoming
Camps within 15 mi: 9
Trailhead: 44.9409° N · 110.6321° W

Get directions Open the map

3.7 mi from the trailhead

Mammoth Campground

Campground · Wyoming

6.3 mi from the trailhead

Indian Creek Campground (WY)

Campground · Wyoming

4 mi from you

Bunsen Peak Trail

Passes Bunsen Peak
Inside Yellowstone National Park
2,925 ft of climbing

8.4 mi out & back · 2,925 ft gain · Hard

Yellowstone National Park · Camp 3 mi away

Dunraven Pass - Mount Washburn Trail

Summits Mount Washburn
Inside Yellowstone National Park
1,654 ft of climbing

7.0 mi out & back · 1,654 ft gain · Hard

Yellowstone National Park · Camp 4 mi away

Mount Washburn South Trail

Summits Mount Washburn
Inside Yellowstone National Park
1,631 ft of climbing

6.6 mi out & back · 1,631 ft gain · Hard

Yellowstone National Park · Camp 4 mi away

Mount Holmes-Winter Creek Trail

Summits Mount Holmes
Inside Yellowstone National Park
3,583 ft of climbing

21.4 mi out & back · 3,583 ft gain · Very hard

Yellowstone National Park · Camp 3 mi away

Chittenden Road-Mount Washburn Trail

Summits Mount Washburn
Inside Yellowstone National Park
1,569 ft of climbing

5.7 mi out & back · 1,569 ft gain · Hard

Yellowstone National Park · Camp 5 mi away

More like this

Hikes that read like this one, wherever they are.

Blacktail Ponds Spur Trail
- Near Undine Falls
- Inside Yellowstone National Park
- Camp 4 mi away
4.6 mi out & back · 275 ft gain · Moderate
Yellowstone National Park · Camp 4 mi away
1A1 Campsite Spur Trail
- Inside Yellowstone National Park
3.9 mi out & back · 601 ft gain · Moderate
Yellowstone National Park · Camp 5 mi away
1G3 Campsite Spur Trail
- Ends at a viewpoint
- Inside Yellowstone National Park
- 1,845 ft of climbing
12.4 mi out & back · 1,845 ft gain · Hard
Yellowstone National Park · Camp 1 mi away
3P1 Campsite Spur Trail
- Inside Yellowstone National Park
- 1,119 ft of climbing
- Camp under a mile away
7.0 mi out & back · 1,119 ft gain · Moderate
Yellowstone National Park · Camp under a mile away

Signal

Cell coverage here

No carrier reports signal at this spot.

FCC coverage data · signal varies in remote terrain

Weather

7-day forecast

Today47°29°Slight Chance Snow Showers
Wed50°28°Mostly Sunny
Thu55°29°Mostly Sunny
Fri52°31°Mostly Sunny
Sat45°31°Chance Snow Showers
Sun43°30°Slight Chance Snow Showers
Mon42°29°Chance Snow Showers

Today: Slight Chance Snow Showers then Sunny · wind 7 to 17 mph SW

National Weather Service · refreshed hourly