Guided Tours in Denali National Park and Preserve

Talkeetna Air Taxi. Fly with Talkeetna Air Taxi for breathtaking exploration flights close to massive Mt. McKinley, as well as glacier landings. See Ruth Glacier and the South Face ($195); the base camp ($240); or the Grand Denali tour ($285). For glacier landings add $75. 14212 East 2nd St., Talkeetna Airport, Talkeetna, AK, 99676. 907/733-2218 or 800/533-2219. www.talkeetnaair.com.

Sheldon Air Service. This is the new incarnation of Hudson Air Service; in 2010 the Talkeetna-based stalwart changed hands and name. The Denali Grand Tour is 90 minutes and costs $280 per person. A glacier landing adds 45 minutes to your flight and costs an additional $75. Box 648, Talkeetna, AK, 99676. 907/733-2321 or 800/478-2321. www.sheldonairservice.com.

K2 Aviation. Specializing in flightseeing and glacier landings in the Alaska Range, K2 Aviation's prices range from $195 (for a 1-hour flightsee) to $365 (for a 120-minute flightsee with a glacier landing). 14052 East 2nd St., Talkeetna Airport, Talkeetna, AK, 99676. 907/733-2291 or 800/764-2291. www.flyk2.com.

Denali Park Resorts. Privately operated, three- to four-hour, 4-mile-round-trip guided hikes are available through Denali Park Resorts. Mile 238.5, Parks Hwy., at the entrance to Denali National Park, Denali National Park, AK. 907/276-7234 or 800/276-7234. www.denaliparkresorts.com.

In addition to exploring the park on your own, you can take free ranger-guided discovery hikes and learn more about the park's natural and human history. Rangers lead daily hikes throughout summer. Inquire at the visitor center.