Also bookable on Viator
The same city on Viator (Tripadvisor's marketplace), top rated first: a third place to compare dates and prices.
Prices run from USD10 to USD199, and half of the 21 priced listings cost USD24 or less. Most take 2 hours to 3 hours. The best reviewed with at least 100 reviews is Boise River Guided Rafting and Wildlife Tour (5.0 from 142 reviews).
For the operators we researched and recommend, see our food tours and cooking classes in Boise, or the experiences overview.