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Fifteen miles west of the west gate of Yellowstone National Park, off US 20/191.

It's usually easier to find
a camping site at Henrys Lake
than at nearby
Yellowstone National Park.

Visit spectacular Upper
and Lower Mesa Falls,
also near Harriman.

While you are in the area,
don't miss seeing the
historic buildings and abundant
wildlife at Harriman State Park.

For a pdf map of the park, click here. (It will take a minute or two). For pdf viewer -- download reader

Henry's LakeLocated just 15 miles west of Yellowstone National Park, this high-mountain lake is surrounded by 8-10,000 foot mountains and Targhee National Forest which provide spectacular scenery. The fishing in Henry's Lake and surrounding streams is a trout anglers dream and is a world renowned fishery. The park, named after explorer Major Andrew Henry, opens the Thursday before Memorial Day and closes October 31, or as weather conditions warrant. After September 15 it is wise to call ahead to see which services are available.

Cutthroat trout, averaging three to five pounds; cutthroat-rainbow hybrids of up to 12 pounds; and brook trout up to three pounds abound in the waters of Henrys Lake. This provides a sport fishery that challenges the float-tuber and is equally exciting for a 10-year old dunking a work over the side of the family boat. Excellent stream fishing can also be found in the nearby Henry's Fork, Madison and Gallatin rivers.

A boat ramp and docks are available in the park. Boaters should be cautious of the lake's unpredictable weather. Winds can make the surface choppy.

The park offers 45 campsites of which 26 sites have water and electricity and the remaining sites have central water. Twenty seven (27) sites are reservable from spring opening through Labor Day. All sites have a picnic table and campfire grill. There is a central utility building with restrooms and showers. For camping reservations call 208-558-7532.

The park offers a 3.06-mile self-guided interpretive hiking trail and each Saturday, from Memorial Day through Labor Day, park interpretive staff provide a 4.5 mile interpretive hike into the spectacular back country wilderness in the Targhee Creek Basin in Targhee National Forest.

Location: 3917 E 5100 N, Island Park ID 83429
Mailing Address: HC 66, Box 20, Island Park, ID 83429 (summer)
Phone: 208-558-7532



  1. Weather?
    - Unpredictable at 6500' elevation
  2. Fishing?
    - Usually great
  3. How far to Yellowstone National Park?
    - 15 miles

Parks / Recreation / About Us
PO Box 83720 • Boise, ID 83720-0065 • 208-334-4199 • Questions? Ask Rick