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part ofWallowa Whitman National Forest, US Forest Service


Hells Canyon, North America's deepest river gorge, encompasses a vast and remote region with dramatic changes in elevation, terrain, climate and vegetation. Carved by the great Snake River, Hells Canyon plunges more than a mile below Oregon's west rim, and 8,000 feet below the snow-capped He Devil Peak of Idaho's Seven Devils Mountains.

The Snake River is designated a Wild and Scenic River. The 31.5-mile section of the river between Hells Canyon Dam and Upper Pittsburg Landing is designated Wild and the 36-mile section of river downstream from Upper Pittsburg Landing to mile 180.2 is designated Scenic.

Wild River reservations from Hells Canyon Dam to Upper Pittsburg Landing are required for the issuance of a trip permit seven days a week during the primary season, which is the Friday before Memorial Day through September 10. There are three private permit launches each day. These reservations can be obtained through the Four Rivers Lottery or by picking a cancellation once the lottery reservations have been allocated. Click here for a Floater Guide Summary with more information.

The application period for the Four Rivers Lottery is December 1 through January 31. Successful applicants must confirm their reservation no later than March 15. There is no wait list for unconfirmed reservations. Any remaining spots are released at a random time beginning March 16th. Click here for more information on the Four Rivers Lottery.

Self-issue river permits are required for the entire river corridor outside of the primary season, but do not require an advance reservation. They can be self-issued at any river portal.

Rafting and power-boating the rapids of Hells Canyon is not recommended for the inexperienced or poorly equipped. For floaters, portaging or lining through or around many of the rapids is difficult, if not impossible. For more information about the most challenging areas in Hells Canyon, as well as trip lengths, consult the National Wild & Scenic Rivers website.

Know Before You Go

Float Permit Availability Information:

Lottery Applications for the Snake River Primary Season launch dates (the Friday before Memorial Day-Sept. 10) are accepted annually from December 1 until midnight Eastern time January 31.

Cancellations: Please continue to check this site for cancelled reservations. Cancelled launch dates are released at a random time within 24 hours of submission.

Water Levels, River Info, Lottery Statistics: Find hydrographs, statistics, calendars, river information, equipment requirements and regulations at: Four Rivers Lottery. Boaters should try to anticipate high and low water levels before submitting an application or reserving a launch date.

When applying for or reserving a launch date on this river, I certify that:

  • I am not currently being penalized for a no-show or late cancellation on this river;
  • I will only submit one application for this river's lottery;
  • I understand that during the primary season for this river, I may only hold one launch reservation at a time during this period;
  • Unless authorized as a commercial operator on this river, this reservation/application is for a private float permit.

  • Permit holder must be 18 years old by the launch date
  • The permit holder will sign a permit affirming that they have read and understand the definition of a private float trip
  • Party size cannot exceed 8 craft or 24 people
  • All boats must carry at least one U.S. Coast Guard-approved personal floatation device for every person on board
  • Call Idaho Power Company's Snake River information line at (800) 422-3143 for current and projected flow information
  • Click here for more information on permit policies
  • Refer to the Snake River Rules and Regulations for more information about permits, floatcraft, non-motorized periods, camping and general rules

Contact Information

Snake River Administrative Office
2535 Riverside Dr.
PO Box 699
Clarkston, WA 99403
Phone: 509-758-1957

Phone Park for More Information:

Information:  (509)758-0616
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