Grizzly Outfitters (888-807-9452; http://www.grizzlyoutfitters.com) can provide information, maps and guides. They are located in Meadow Village Center, just south of the golf course. Lone Mountain Ranch (800-514-4644 or 406-995-4644; http://www.lmranch.com) provides naturalist-guides for overnight guests as part of their regular program.