Henry’s Lake is within Henry’s Lake State Park and is surrounded by lush meadow and the towering Sawtell Peak. The Lake is a fly fisherman’s dream. The shallow lake is known for big trout catches. Henry’s Fork of the Snake River originates at the outlet of the famous Henry’s Lake, just under the Continental Divide between Idaho and Montana. This stream is world renowned as one of the best fly fishing areas in the world. Big Springs furnishes year round water for Henry’s Fork of the Snake River. The Idaho Fish and Game plant fish in the river at this point and prohibit fishing within a certain distance of Big Springs. Large fish can be viewed from the Big Springs bridge. Also located in this area is Johnny Sacks cabin. There is a visitors’ center and it is open for tours during the summer.



  • 8 square miles
  • Average Depth is 2-9ft.
  • 6,472 ft above sea level
  • Fish Cleaning Station
  • Ramps, launching docks

Directions From Rexburg:

  1. Turn left onto ID-33 W
  2. Turn right to merge onto US-20 E toward St Anthony
  3. Turn left onto ID-87 N
  4. Turn left onto Sherwood Ln
  5. Make another left


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