Lamar River

Yellowstone National Park, Wyoming 82190

Elevation Gain5,413ft
Trailhead Elevation7,320ft
Elevation Min/Max6742/7331ft
Elevation Start/End7320/7320ft

Lamar River

Lamar River is a hiking trail in Park County, Wyoming. It is within Yellowstone National Park. It is 13.2 miles long and begins at 7,320 feet altitude. Traveling the entire trail is 26.6 miles with a total elevation gain of 5,413 feet. The 3F1, 3L4, and 3L6 camp sites can be seen along the trail. This trail connects with the following: Frost Lake, 3f1, 3u1, Calfee Cabin, 3l9, 3l3, Mist Lake, 3l7, 3l4, 3u4, 3u2, 3l6, Cold Cabin, 3u3, 3l2, Cache Creek and Miller Creek.

Lamar River Professional Guides

Detailed Trail Descriptions from Our Guidebooks

Hiking Yellowstone National Park (Falcon Guides)
Bill Schneider
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"An easy to moderate backpacking trip or moderate to long day hike, depending on distance, with great fishing and a short side trip to Wahb Springs. The 1988 fires scorched most of the Lamar River Valley, but the entire area has made a nice recovery. It’s still a popular hiking and horse-packing trail, and the river still offers excellent fishing. You can do as much of the Lamar as you choose. You can hike 3.5 miles into Cache Creek and stay at one of the campsites there. You can go the full 16 miles to where the trail splits into the Frost Lake and Cold Creek Trails. Or you can do anything in between. You can also make this a long day hike, but most people prefer to stay at least one night." Read more
"The trail descends briefly to a footbridge over Soda Butte Creek and then crosses the huge sagebrush-covered flats of the Lamar Valley. Since this trip starts at a relatively low elevation, this area has a noticeably different feel than most other parts of Yellowstone National Park. Instead of the park’s usual lodgepole pines covering a mountain slope or plateau, the vegetation here is dominated by sagebrush and grasses in a broad and incredibly wildlife-rich valley. In fact, except for a smattering of quaking aspens and the few conifers that rim this scenic valley, there are no trees at all. The openness of your surroundings allows for some of the park’s best wildlife viewing. Bison are abundant—and their large “paddies” are everywhere, so watch your step. You also stand a good chance of seeing pronghorns, coyotes, mountain bluebirds, and ravens. Lucky hikers might spot a pack of wolves or see a badger (badger holes are everywhere, even though hikers rarely see their residents)." Read more

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Trail Information

Yellowstone National Park
Nearby City
Yellowstone National Park
Yellowstone National Park
Local Contacts
Trails Illustrated Tower/Canyon; USGS Opal Creek, Wahb Springs, and Little Saddle Mountain
Local Maps

Activity Feed

Dec 2018