Yellowstone National Park

Lamar Valley Trail Loop

moderate Wildlife WatchersPhotographersFamilies
4.8 mi Distance
400 ft Elevation Gain
3-4 hours Estimated Time
roundtrip Trail Type

What to Expect

This is Yellowstone's version of a safari drive, except you're on foot and the animals have the right of way. The loop winds through the broad, open grasslands of the Lamar Valley with only gentle elevation changes — think rolling hills rather than any real climbing. The trail surface is a mix of packed dirt and game trails, largely exposed with little tree cover, which is exactly why the wildlife viewing is so spectacular. You'll scan enormous meadows where bison herds graze in dark clusters, elk bed down near the river bends, and if you're lucky, a wolf pack works the ridgeline in the distance. The Lamar River runs nearby, adding a soundtrack to the whole experience. This trail is built for patient observers and anyone who'd rather watch a wolf hunt than bag a summit.
Wildlife WatchersPhotographersFamiliesBirdersFirst-Timers

Safety Advisory

Bison are everywhere in Lamar Valley and they are not domesticated cattle — maintain at least 25 yards of distance at all times. They can sprint three times faster than you can run, and they will charge if they feel crowded. If a bison raises its tail, you're already too close.

This is prime grizzly bear country, especially in spring and fall. Carry bear spray, keep it accessible on your hip (not buried in your pack), and make noise on any sections where visibility drops. Travel in groups of three or more when possible.

Trail Details

Distance 4.8 miles round-trip
Elevation Gain 400 ft
Difficulty moderate
Estimated Time 3-4 hours
Trail Type roundtrip
Pets Not allowed
Season Year-round
Trailhead Lamar Valley Trail Loop

Pro Tips

Trail Tip

Dawn and dusk are when Lamar Valley earns its reputation — arrive before sunrise and set up with binoculars near any of the pullouts along the Northeast Entrance Road before heading out on foot. The wolf packs are most active in the first and last light of the day.

Trail Tip

Bring binoculars or a spotting scope, not just a camera. Most of the best wildlife sightings happen at distance, and a 200mm lens won't cut it for wolves on a far ridge. Serious watchers carry scopes with 20-60x magnification.

Trail Tip

Talk to the regulars. Lamar Valley has a devoted crew of wildlife watchers who park along the road every morning — they track wolf pack movements daily and will tell you exactly where the Junction Butte or Lamar Canyon pack was last spotted. They're generous with information if you're respectful of the space.

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