Island Park is a huge playground. Aside from the fishing, snowmobiling, boating, ATV-riding, hiking, horseback riding, rodeos, crosscountry skiing, bird watching, hunting and touring; Island Park's scenic and historical sites are some of the other popular activities. There are Outfitters for nearly every activity abound, along with plenty of maps and guide books for the visitor who wants to experience Island Park on their own. Nearby Yellowstone Park and its trails and streams are also popular day trips from the area. Yellowstone's proximity is part of the allure of Island Park. Since the late 1800's, tourists commonly passed through Island Park on their way to Yellowstone. Henry's Lake State Park, is a beautiful lake on the northern end of Island Park and is world famous for its fishing. It is not uncommon to catch 7 pound trout out of this lake. It also boasts its own fish hatchery on the north end of the lake that help produce and replenish the fish habitat. The average snowfall is about 9 feet per year, which makes Island Park a winter wonderland.

Summer Activities


Grab your skis and wakeboards! With 2 private boat ramps in the Centennial Shores Community, the lake is easily accessible to some great boating with perfect glass almost daily during the summer. Also an amazing place to take out your canoes & kayaks.
For rentals, visit:


Legendary fishing at the Henry's Fork of the Snake is but one of the superb angling locales. Other fishing jewels include Henry's Lake and right here at Island Park Reservoir.
For more info on fishing visit:


There are 2 golf courses at the following locations:
Island Park Village Resort
4153 North Big Springs Loop Road
Island Park, Idaho 83429

Timberline Golf Course
4590 Cave Falls Road
Ashton, Idaho 83420

ATV Riding

ATV riding in Island Park is just as fun as snowmobiling in this area. The reason is due to a vast amount of snowmobile trail systems open to ATVs in the non-winter months. What this means is several hundred miles of great trails, in any direction, providing easy access to a variety of amazing destinations and incredible scenery!

Ride out to Big Springs, Bishop Mountain Lookout, or to the top of Sawtell Peak for a spectacular view of the Red Rock Basin, Mount Jefferson, Henry's Lake and Henry's Lake Flat. Another popular trail to make your way around Island Park is the Railroad Right of Way Trail. This is the old Union Pacific Railroad bed that runs approximately 23 miles through Island Park. Access points to the R.O.W trail are at the crossings of the following roads: Big Springs Loop Road, Number 059, Chick Creek Road, Number 291 and Eccles Road, Number 112. This trail is used as an ATV, mountain bike and horse trail in the summer and is maintained as a snowmobile trail during the winter months.

ATV rentals are available with immediate access to the trail system in just about any direction you choose to travel. The general ruleof-thumb is this: If it's gravel, you can ride it - If it's paved or gated, you can't.
For rentals, visit:

Yellowstone National Park

Located just 28 miles North East of Island Park. for more info visit:

Horseback Riding

Go explore this beautiful country on horseback! There are many options for horseback rides.

Mountain Biking

Mountain biking is a very popular sport in Island Park and there are designated trails just for that purpose. Stop in at the U.S. Forest Service and pick up your information.
Or visit: state=ID


The hiking trails in and around Island Park offer outings ranging in length from one hour to an overnight stay. Most of the trails listed below are short day-hikes with easy terrain. Two of the trails offer length that could be stretched into an overnight stay. Please note grizzly bear precautions if camping along the trail. Poisonous snakes or plants are not a problem in this area. However, the insects could be somewhat annoying, so insect repellent is advisable. For area closures and other restrictions, please obtain the Island Park District Travel Plan map available at the Island Park Ranger Station (208-558-7301).

Coffee Pot Rapids Trail

Beginning at the Upper Coffeepot Campground, the Coffeepot Hiking Trail leads 2.5 miles along the Henry's Fork of the Snake River. Hikers can see the river change from a placid stream to raging rapids. Lodgepole pine and subalpine fir are the predominant trees. Shrubs and flowers, such as Huckleberry, snowberry, twinberry, glacier lilies, geraniums, sego lilies and many others can be found along the trail. The trail is easy, however, rocks and other obstacles may slightly hinder walking. This trail is closed to motorized vehicles.

Box Canyon Trail

This trail takes off from the Box Canyon Campground and follows the rim of Box Canyon for 3 miles. The waters of the Henry's Fork of the Snake River can be viewed from the trail and provide excellent catch and release fishing. Various species of trees and wildflowers can be seen on the trail as well as songbirds, waterfowl and occasional wildlife. This trail is closed to motorized vehicles.

Continental Divide National Scenic Trail

Approximately 36.4 miles of the Continental Divide National Scenic Trail runs through the Island Park area. Access points to the CDT Trail are: Black Canyon Road, Number 066 at Reas Pass, Targhee Creek Road, Number 057, Keg Springs Road, Number 042, and East Dry Creek Road, Number 327. The trail is in moderate to difficult terrain, often in the higher elevations. Some of the trail is located in Situation I Grizzly Bear Habitat, so visitors are urged to use proper food storage and camping practices when camping in the area. Panoramic views and challenging terrain make this trail a memorable experience. Portions of the trail are closed to motorized vehicles. Portions of the trail have yet to be constructed or marked.

Big Springs Interpretive Trail

The Big Springs Interpretive Trail begins at the Big Springs Bridge and ends at the Big Springs Boat Launch. The entire trail is one mile long. It is a relatively easy walk. The first half-mile is paved for those using wheelchairs; the second half is dirt and gravel. There are several information plaques along the trail that explain to visitors about river environment. All are located along the paved section. Another easily accessible trail leaves Big Springs Bridge and accesses the Johnny Sack Cabin.

Sawtelle Peak - Rock Creek Basin Trail

Drive 7.5 miles north from the Island Park Ranger Station on Highway 20, turn west on Sawtell Peak Road. This road is approximately 13 miles long and climbs 3,440 feet in elevation to the top of the peak. A radar station is located on top of the mountain. Directly to the west is the Rock Creek Basin area. The trailhead is 1.7 miles back down the mountain to a horseshoe bend in the road which has a parking space. The trailhead is signed. The trail follows an old water restoration project road. This area is closed to motorized vehicles. Elevation of the trail ranges from 8,500 feet to 9,120 feet. The trail is six miles in length, some portions over rocky, uneven and steep terrain. Two miles from the trailhead you will cross the continental divide into Montana. The trail will curve and drop into Rock Creek Basin. Hikers will need to bring drinking water. Wood is scarce due to the high elevation, so hikers-are advised to pack camp stoves for cooking purposes. A variety of wildflowers are plentiful throughout the summer. Elk, deer, bear and moose as well as birds of prey may be seen in the area.

Targhee Creek Trail

The Targhee Creek Creek Trailhead is located 15 miles north of the Island Park Ranger Station on U.S. Highway 20/191, and 2.2 miles past the Highway 87 junction. Turn west on Forest Road 057, also signed as Targhee Creek Trail road. This road will lead you directly to the Targhee Creek Trailhead This trail accesses the Continental Divide Trail. The Targhee Creek Trail is a 14 mile loop. The trail is traveled in the summer months, both on foot and horseback. The trail is traveled in the summer months, both on foot and horseback. The trail is moderate in difficulty. Dense forest and changes in elevation give visitors and enjoyable but challenging experience. Visitors should be aware of the wildlife in the area. The Targhee Creek Trail is located in Situation 1 Grizzly Bear habitat. There are dispersed camping areas available along the trail for visitors who wish to camp overnight. Some sites have grizzly bear proof food boxes that should be used to store food in. If no bear box is available at the campsite, food should be suspended at least 10 feet clear of the ground at all points and 4 feet horizontally from any supporting tree or pole. Sleeping areas should be at least 100 yards away from all human, pet and livestock food items, cooking areas, garbage or refuse.

West Yellowstone Rodeo

The rodeo is most every Thursday, Friday and Saturday night starting at 8:00pm.
For more info, visit:


Have a relaxing time on a laid-back 5 mile scenic float down the Henry's Fork of the Snake River. This is a fun activity for everyone in the family, including kids. Bring a lunch and enjoy the scenery, wildlife and even stop for a swim! The water is crystal clear and makes it possible to see trout right below you. It is best to be dropped off at Big Springs and picked up at Mack's Inn.
For raft rental information, visit:

Winter Activities

Cross-country Skiing

Cross Country Skiing is everywhere around you here in Island Park. You can visit Harriman State Park where there is a total of 24 miles of trails for skiing and snowshoeing, 19 miles are groomed with tracks, and 12 miles of these trails are groomed for skating or ski on one of the Park & Ski trails.

The Fall River Ridge Park N' Ski area is located 10 miles east of Ashton on the Cave Falls Road. The various loops are suitable for beginner and intermediate use. Nearly seven miles of trails make up this area, which is groomed periodically when funding and weather conditions permit.

The Bear Gulch/Mesa Falls ski area is located seven miles northeast of Ashton on Mesa Falls Forest Highway 47. The trail parallels the snowmobile trail out to the spectacular Lower and Upper Mesa Falls. The trail then branches away from the snowmobile trail and travels along the canyon rim, then returns to the trailhead. This trail is recommended for intermediate and advanced skiers because of the steep climb in the first mile. The trail is nearly nine miles long and is groomed periodically when funding and weather conditions permit.



The winters here receive an average of 227 inches of snowfall, and Island Park has over 500 miles of groomed snowmobile trail. Connect them with Gallatin National Forest in Montana and there is 900 miles of groomed trails. This makes it the best system in the West, Midwest or East. Get your sleds ready!
Island Park Snowmobile Trail map
Fremont County Grooming Report
For rentals visit:

Skiing (Jackson Hole, Big Sky, Targhee)

Located within a couple hours of 3 major ski resorts, skiing can be a part of your vacation in Island Park.

Spring/Fall Activities


Shopping in West Yellowstone is definitely a unique experience with its old-town charm.
For more info visit:


Legendary fishing at the Henry's Fork of the Snake is but one of the superb angling locales. Other fishing jewels include Henry's Lake and right here at Island Park Reservoir.
For more info on fishing visit:

Wildlife Viewing & Scenic Tours

There are many options for scenic tours and wildlife abounds throughout Island Park and Yellowstone National Park.
For more info on Scenic tours, visit:

Other Area Highlights

Island Park Reservoir

Only a 2 minute walk from Bishop Mountain Lodge, Island Park reservoir is popular for boating, fishing and water-skiing. The cabinŐ s community has 2 private boat ramps only accessible to residents & renters within the community.

Big Springs & Johnny Sack Cabin

The head waters of the Henry's Fork are producing over 120 million gallons of water each day. It is a natural National Land mark and is one of the 40 largest natural springs in the world; it remains at the consistent temperature of 52 degrees. The spring is spawning grounds for huge rainbow trout, with moose, muskrat, geese, and great blue herons frequenting the area. Downstream is the Big Springs National Water Trail, a four-hour float trip that offers scenic forest, mountain views, and wildlife viewing. Part of the National Register of Historic Places since 1979 the Johnny Sack Cabin and water-wheel has a unique location and picturesque setting. Open to the public visitors are invited to see firsthand the unique craftsmanship of one of Island Park's early settlers. Count the pieces of wood on the handcrafted ceiling lamp, see the split bark decoration used in the cabin's furniture and interior and other detail work.

Harriman State Park

The site of the old Railroad Ranch. This state park, a gift to Idaho's Citizens from the Harriman family, is also a wildlife reserve, home to trumpeter swans, moose, sand hill cranes and more. The Henry's Fork of the Snake River meanders through the park, and is world famous for its catch and release fly-fishing. Enjoy hiking, horseback riding and cross-country skiing at the park. Just 15 minutes away.

Henry's Fork of the Snake River

One of the most famous fly fishing rivers in the world! Also near by is Henry's Lake and the Madison River famous for their rainbow, cutthroat and brook trout and Island Park Reservoir for both fishing and boating activities.

Upper & Lower Mesa Falls

Two of the last undisturbed waterfalls in the West, on the Henrys Fork of the Snake River. Hear the thunder of both Lower and Upper Mesa Falls along the Mesa Falls Scenic Byway on highway 47 where the river is squeezed into a gorge that drops 65 feet at the Lower Falls and Upper Mesa Falls at 114 feet . This secluded spot along the Henry's Fork offers excellent trout fishing and camping. In winter it is accessible by snowmobile or cross-country skis.

Mount Sawtelle Peak

The top, at 9,902 feet, is accessible by car during the summer, affording a spectacular view of three states and Yellowstone National Park. Wildflowers are abundant on Sawtelle. The mountain is located on the west side of Henry's Lake Flats.

Red Rock National Wildlife Refuge

The Refuge was established in 1935 to protect the rare trumpeter swan. Today the Refuge continues to be one of the most important habitats in North America for these majestic birds. This is a great place for wildlife observation, hiking, and photography.

West Yellowstone City

There are many activities here. The playmill presents live musical or Melodrama. The IMAX Theater, great shopping, Bear & Wolf exhibit & more.
For more info visit:

Yellowstone National Park

About 35 minutes away the nation's first National Park, here you can see the natural wonders of geysers, waterfalls, lakes and streams. See grizzly bear, buffalo, elk, wolves, bald eagles and trumpeter swans and don't forget to see Old Faithful Geyser and the historic Inn.
For more info visit: