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McCrea Bridge

FSU.S. Forest Service — ISLAND PARK · Idaho · Caribou-Targhee National Forest

AgencyFSU.S. Forest Service
AreaCaribou-Targhee National Forest
LocationISLAND PARK · Idaho · Caribou-Targhee National Forest · 44.46250, -111.40056 · Map
Sites25 public sites counted from the federal listing — 25 standard nonelectric
Getting a siteReservable — the federal listing marks this campground as taking reservations. Some sites or seasons may still be first-come; the listing’s own words are below.
HookupsElectric at 0 of 25 sites
Water hookups at 0 of 25 sites
Sewer hookups at 0 of 25 sites
Full hookups (all three at one site) at 0 of 25 sites
Counted site by site from affirmative reports in the federal record. A site with no report is not counted either way.
Max RV lengthLongest reported site fits 99 ft
Sites that fit at least — 25 ft: 17 sites · 30 ft: 16 sites · 35 ft: 16 sites · 40 ft: 15 sites
Months openNot in federal data — the federal listing does not publish a season for this campground. Check the official description below or Recreation.gov.
FeesNot reported — the federal listing carries no fee description for this campground.
Check-in / outIn 2:00 PM · Out 12:00 PM (most common in the listing)
AccessibilityN
Phone208-558-7658

Check availability & book on Recreation.gov →

This site takes no reservations and shows no live availability. Source: Recreation.gov (RIDB export pulled November 5, 2026); this listing was last updated in the federal record on 2026-02-25.

From the official listing

Overview McCrea Bridge Campground is located on the backwaters of beautiful Island Park Reservoir in Island Park, Idaho at an elevation of 6,200 feet. Visitors love Island Park for its world-class fishing and outstanding scenery and wildlife viewing opportunities. Recreation Island Park Reservoir offers boating, water skiing, fishing and canoeing. A boat ramp is located within the campground. The reservoir is used for irrigation so the water level recedes throughout the summer and by August, the reservoir cannot be accessed from McCrea Bridge.

The Island Park area is renowned for its fishing; Henry's Fork is considered one of the best fly-fishing streams in the nation. Anglers cast for rainbow, cutthroat and brook trout and Kokanee salmon.

Hiking, biking, horseback riding and ATVing are popular activities. Many miles of trails are in the area, including the Continental Divide National Scenic Trail and the Nez Perce Trail.

The Big Springs National Recreation Water Trail offers a roughly three-hour float or canoe trip through beautiful scenery. Wildlife, including moose, bald eagles and Sandhill cranes, are often seen along the trail. Facilities The campground contains single and double sites, each equipped with a picnic table, campfire ring and grill. Some sites have stairs between the parking spur and the site pad. Vault toilets, drinking water and trash collection area provided, but there is no electricity.

A paved road accesses the campground but interior roads and parking spurs are gravel. Firewood is available for purchase from the host. Natural Features Island Park is composed of two areas of extinct volcanic activity. The Henry's Fork Caldera sits inside the larger Island Park Caldera. The area is known for its dense forests of lodgepole pine, broad grassy meadows bursting with summer wildflowers and a wide variety of wildlife, including black and grizzly bears, moose, elk, deer, bald eagles, Sandhill cranes and much, much more.

The campground is situated in a forest of lodgepole pine, which provides partial shade in some sites. Some areas of the campground are more open and sunny than others. Nearby Attractions Mesa Falls Scenic Byway is 12 miles south of the campground. This 28-mile road leads to scenic overlooks and trails at 110 foot Upper Mesa Falls and 85 foot Lower Mesa Falls.

Harriman State Park is 14 miles south. The Henry's Fork meanders through the Harriman, offering excellent fishing. Over 20 miles of trails are available, and wildlife is abundant in this scenic park.

Henry's Lake State Park is 16 miles north, offering fishing, a fish cleaning station and boat ramp.

Yellowstone National Park's west entrance is just 29 miles north in the town of West Yellowstone, Montana. Visitors enjoy day-tripping to the park for unparalleled wildlife viewing and the beautiful and unique scenery.

Directions, from the listing

From West Yellowstone, Montana, take Highway 20 south for 27 miles. Turn west at Elk Creek Service Station and travel 2 miles to the campground entrance.

Nearest federal campgrounds

FSU.S. Forest ServiceButtermilk
2 mi straight-line · ISLAND PARK Idaho
FSU.S. Forest ServiceUpper Coffee Pot
3 mi straight-line · ISLAND PARK Idaho
FSU.S. Forest ServiceBuffalo (Idaho)
3 mi straight-line · ISLAND PARK Idaho
FSU.S. Forest ServiceFlat Rock (Idaho)
4 mi straight-line · ISLAND PARK Idaho
FSU.S. Forest ServiceBig Springs Warming Hut
5 mi straight-line · ISLAND PARK Idaho

Trip Card — McCrea Bridge

ISLAND PARK · Idaho · Caribou-Targhee National Forest

AgencyFS · U.S. Forest Service
LocationISLAND PARK · Idaho · Caribou-Targhee National Forest
FeesNot reported in the federal data
Getting a siteReservable
HookupsNone reported
Max RVUp to 99 ft
Months openNot in federal data
Sites25 sites

Book: recreation.gov/camping/campgrounds/231926 · Source: Recreation.gov, pulled November 5, 2026. Facility details come from federal recreation data and may be out of date — this site takes no reservations and shows no live availability; confirm details and book through Recreation.gov or the managing agency.