Ashley National Forest

Ashley National Forest
The Ashley National Forest, with headquarters in Vernal, Utah, comprises 1.3 million acres located in the northeastern portion of Utah and southwestern portion of Wyoming. National Forest System lands are located in three major areas: the northern and southern slopes of the Uinta Mountains, the Wyoming Basin, and the Tavaputs Plateau.”  The Forest is mostly in northeastern Utah, with just a bit including the Flaming Gorge in Wyoming.
Here is the Forest website.   Phone   435-789-1181   Visitor Guide
Wheelchair AccessibleYellowpine Interpretive trail  0.5 miles  The trail is at the Yellowpine Campground.

Flaming Gorge National  Recreation Area  “The Flaming Gorge NRA is located in the northeast corner of Utah and the southwest corner of Wyoming.”
Wheelchair AccessibleRyan, from flaminggorgecountry.com writes that “There are wheel chair accessible nature trails located at Moose Pond, West Green’s Lake, and Red Canyon overlook/Red Canyon Visitor center.   Sheep Creek Geological loop, Sheep Creek Bay overlook, Red Canyon overlook, Dowd mountain overlook, Flaming Gorge Dam Visitor Center, and the Dam Vista Overlook are all easy access by vehicle with easy access viewpoints.”
Red Canyon Visitor Center  435-889-3713

?  The Chamber of  Commerce Guide lists six “easy” trails on page 29.   Be sure to call either the Visitor Center or the Chamber of Commerce since no details are given.   From the website: “Try the short interpretive Nature Trails at Sheep Creek, Moose Ponds, West Greens Lake and Aspen for an easy enlightening walk through a variety of habitats along this scenic drive.”   Easy for them might not be easy for you.  Check with them.