Rafting

Geyser Whitewater Expeditions. Geyser Whitewater Expeditions has guided raft trips on the Gallatin River. 46651 Gallatin Rd., Big Sky, Montana, 59716. 406/995–4989; www.raftmontana.com.

Montana Whitewater. Montana Whitewater arranges half- or full-day rafting trips on the Gallatin, Madison, and Yellowstone rivers. The company also offers paddle-and-saddle combos and ziplining. 63960 Gallatin Rd., Big Sky, Montana, 59716. 406/763–4465; www.montanawhitewater.com.