This state park near Island Park follows the Henry’s Fork of the Snake River and provides diverse habitat on its 4,700 acres, including lodgepole pine forests, lakes, marshes, and meadows. Winter is the best time to see large numbers of Trumpeter Swans, while summer and fall are key times for American White Pelicans and Double-crested Cormorants. In spring, Silver Lake is a good place to spot Common Loon.

Harriman State Park lies within a 16,000-acre wildlife refuge in the Greater Yellowstone Ecosystem. Known for its beautiful scenery and wildlife, Harriman State Park offers 22 miles of hiking, mountain biking, and horseback riding trails that slink through meadows, meander along river banks and through lush evergreen forests. Some of the best fly fishing waters in the nation flow through eight miles of Harriman State Park, known by anglers all over the world over as “the Ranch.” Moose, elk and Trumpeter Swans, the world’s largest waterfowl species, are a common sight at Harriman.

The Henrys Fork of the Snake River courses for 8 miles through this park’s lodgepole pine forests, meadows, marshes, and two small lakes. Western Meadowlark, Yellow-headed and Red-winged Blackbirds, Pine Siskin, Dark-eyed Junco, Chipping, White-crowned, Lincoln’s, and Song Sparrows, Western Tanager, and Red Crossbill can be seen. Look for Common Loon at Silver Lake in spring, Double-crested Cormorant and American White Pelican throughout summer and fall, and Canada Jay in winter. Large concentration of Trumpeter Swans in winter.

DIRECTIONS: From Ashton, US 20 N to mp 378.9; L (W) onto Green Canyon Rd (3000 N); R (N) into park entrance; follow entrance rd for 1.5 mi to parking lot.