This outfit offers multiday trips on the Alsek and Tatshenshini rivers. It also runs four-hour raft trips in the Chilkat Bald Eagle Preserve. These outings offer a spectacular view of unspoiled wilderness. US$2,895-$3,395 for a 12-day trip, including helicopter transport. US$83 adults for Bald Eagle Preserve trips. Lunch US$9 extra. Phone 907-766-2491. Toll-free 888-292-7789. http://www.raftalaska.com.