Kirwin Trail

Scout Route
5/5 (4 reviews)

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Kirwin Trail is a beautiful and exciting run deep into the Absaroka Range along the Wood River. The trail is an out-and-back running 11 miles each way. The route typically takes about 3 hours. At the trail's end sits the deserted Wyoming ghost town of Kirwin. The trail passes through a valley cut by water and time with mountains on both sides. Pine trees, sage, and scrub brush add color to the dramatic backdrop. It's always a good idea to pack bear spray as plenty of bears call the Absaroka home. Deer, antelope, and moose are also common in this area. The road to Kirwin is suitable for any 4×4 high clearance vehicle, including full-sized rigs. It's pretty easy going with a good bit of loose rocks and ruts, but nothing technical. The trail would earn an easy rating if it weren't for the numerous water crossings. But those crossings kick up the difficulty and the adventure a notch. Always be careful before taking on a water crossing. Verify the depth before just plowing through. Snow, runoff, and rain cause ever-changing river crossing conditions. The Shoshone National Forest operates Brown Mountain and Wood River Campgrounds along the Kirwin Trail. Both campgrounds are free, but donations are accepted. Neither have potable water, but both have vault toilets. There is also ample dispersed camping along the Kirwin Trail.