Jasper Adventure Centre. Guided tours, birding trips, ice walks, and snowshoeing tours are all available here. Most tours last three hours. The center also books canoeing, rafting, and other types of excursions. 611 Patricia St., Jasper National Park, Alberta, T0E 1E0. 780/852–5595; www.jasperadventurecentre.com. From C$65.
Maligne Adventures. Day treks, overnight backpacking trips, white-water rafting, and heli-hiking excursions are among the offerings here. The Maligne Canyon Icewalk is popular in winter. 616 Patricia St., Jasper National Park, Alberta, T0E 1E0. 780/852–3370; 866/625–4463; www.maligneadventures.com. From C$65.
Maligne Tours. This outfit's tours include a 90-minute interpretive cruise to Spirit Island, one of the most beautiful spots in the Canadian Rockies. Photography and other cruises are also conducted, and you can rent a canoe to explore Maligne Lake on your own. Jasper National Park, Alberta, T0E1E0. 780/852–3370; 866/625–4463; 403/852–3405; www.malignelake.com. From C$67.
SunDog Tour Co.. Sightseeing and group coach excursions are this Jasper-based tour company's specialty. Some Jasper and Banff tours are offered in partnership with the Jasper Adventure Centre. 414 Connaught Dr., Jasper, Alberta, T0E1E0. 780/852–5595; 888/786–3641; www.sundogtours.com. From C$65.
Walks and Talks Jasper. Most of this company's nature walks and hiking, snowshoe, ice-field, and other tours last about three hours. 626 Connaught Dr., Jasper National Park, Alberta, T0E 1E0. 780/852–4994; 888/242–3343; www.walksntalks.com. From C$70.