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South Fork Snake River

River Safety

You won't see white water on the South Fork, but don't be fooled.  It is a cold, deep, fast-flowing river, with eddies, whirlpools, and in-channel hazards that can trap or toss around a raft or boat.  The river is powerful and must be respected.

  • Wear your life jacket at all times.
  • Know the river, or boat with an experienced leader.
  • Boat should carry an attention-getting device (ie. air horn, whistle, or other loud device) in case you get in trouble.  You must also have a light on board in you plan to float after dark.
  • If you fall overboard, float on your back with your feet pointed downstream. Stay on the upstream side of the boat.
  • Carry a spare ore, paddle, first-aid kit, repair kit with pump (for rafts), extra life jacket, and warm clothing.
  • Be prepared for rapidly changing weather conditions.

Hazards

  • Several water diversion structures are located 1/2 mile above the byington access to the confluence with the Henrys Fork. Never attempt to boat near them.
  • The Dry Beds Canal Diversion, 1.5 miles downstream from Byington access is extremely hazardous.  The head gate is located on the south bank and nearly half of the river is funneled into it. Carefully float the north bank to safely avoid the diversion.
  • Swift water produces strong currents, standing waves, and frequent whirlpools that may overturn small boats and canoes. Boaters should avoid rocks, overhanging brush, fallen trees, log piles, bridge support piers, and irrigation canal diversions.

 


Snake River- South Fork

Upper Snake Field Office  |  1405 Hollipark Drive  |  Idaho Falls, ID 83401
208-524-7500  |  Fax: 208-524-7500  |  Office hours: 7:45am - 4:30pm, M-F