Based in Girdwood, Chugach Adventure Guides (Box 641, Girdwood, 99587. 907/783-4354. www.alaskanrafting.com) leads scenic floats on the Placer, Twenty Mile, and Portage rivers, along with white-water trips on the Talkeetna River. Alaska's oldest adventure and wilderness guiding company (in business since 1975), Nova (Box 1129, Chickaloon, 99674. 907/745-5753 or 800/746-5753. www.novalaska.com), provides both scenic and white-water wilderness rafting trips statewide.
