Many migratory and resident birds are known for this area including several species of raptors, pinyon jay, black-billed magpie, common raven, and waterfowl and shorebirds which are attracted to the reservoir. Mule deer are a common sight, as are cottontail rabbit, coyote, red fox, porcupine, striped skunk and ground squirrel. Rare wildlife species present include the river otter, which has been reintroduced to the Piedra River, the bald eagle, and the white pelican, a summer resident. Anglers are attracted by the warm- and cold-water fishing opportunities, which include large-mouth and small-mouth bass, crappie, bluegill, catfish, northern pike, rainbow trout and kokanee salmon. 

The Navajo State Park Watchable Wildlife Viewing Area is located next to the narrow gauge railroad bridge over the Piedra River near CO HWY 151. This accessible facility is an outstanding location to view the wildlife of the park.

Take US HWY 160 west from Pagosa Springs for about 17 miles, then turn south onto CO HWY 151 for about 18 miles to Arboles. Turn left again onto County Road 982 and drive 2 miles to the park.