The Teton River is a popular river run in Idaho, known for its beautiful scenery and exciting whitewater rapids. The ideal streamflow range for this river is between 300 and 1,200 cubic feet per second (cfs), and the river is rated as a Class III to IV run. The stretch of the river used for whitewater rafting is approximately 9 miles long, starting at the Bates Bridge and ending at the Teton Dam Site.

The Teton River is known for its challenging rapids, including Box Canyon, which is a narrow, technical section of the river with steep drops and tight turns. Other notable rapids include Toilet Bowl, Double Drop, and Big Kahuna. The river also features several large boulders and rock formations that add to the excitement of the run.

There are several regulations in place to protect the Teton River and ensure the safety of those who use it. All rafters must wear a Coast Guard-approved life jacket at all times while on the river, and anyone under the age of 14 must wear a helmet as well. Additionally, all commercial rafting companies must have a permit from the Bureau of Land Management to operate on the river.

Overall, the Teton River offers a thrilling whitewater experience for those looking for a challenging run with stunning scenery. However, it is important to follow all regulations and ensure that you have the necessary skills and equipment before attempting this run.