Bureau of Land Management, Idaho.
The Henry’s Fork of the Snake River is named after Andrew Henry, the first white explorer to experience the area, the Henry's Fork slowly meanders through a high-desert alluvial floodplain lined with cottonwood stands. Originating at the outlet of Henry’s Lake, the river offers world-renowned fly fishing and is home to many trumpeter swans. The headwaters also provides habitat for moose, muskrat, geese and blue heron, as well as spawning grounds for rainbow trout.
Henry’s Fork---Snake River Access:
• Red Road Bridge, Salem/Parker Highway (BLM): boat ramp, vault toilet, parking
• Hibbard Bridge Access (BLM): no boat ramp and limited parking along road shoulder
• Warm Slough (IDFG): boat ramp, vault toilet, parking, camping
• Trestle Bridge (BLM): unimproved day-use site, no developed boat ramp
• Beaver Dick Park (Madison County): boat ramp, vault toilet, camping, picnic area, parking
• Menan Butte (BLM): boat ramp, vault toilet, parking
Put In: Red Road Bridge, Beaver Dick Park, Menan Butte
Take Out: Beaver Dick Park, Menan Butte
Total trip length from St. Anthony: about 30 miles, with multiple shorter-mileage options
South of St Anthony and west of Hwy 20. Take E 200 North going west and turn right (north) on N 1900 East.