Western Promises

Lewis and Clark Montana Adventure August 8-15

Channel the spirit of Lewis and Clark on this trek, from the straight (but gay-friendly) Abercrombie & Kent. This eight-day trip follows their travels on the upper Missouri River, retracing their steps through an area that was once home to the Blackfoot tribe. AbercrombieKent.com; $3,125

Splash August 12-21

Gay-tour operator Alyson Adventures offers this weeklong rafting trip down the Colorado River and through the Grand Canyon. Experience waterfalls and hikes and spend a night in Las Vegas on each end. AlysonAdventures.com; $2,790

Glacier Voluntourism September 7-11

Montana's epic Glacier National Park has a voluntourism program that gives adventurers the chance to spend four days maintaining trails and assessing wildlife -- you'll be working hard but having fun. Participants even blog about their activities each night. GlacierParkInc.com/SpecialsAndPackages; $1,419

Yellowstone Winter Adventure February 7-13

OutWest also offers a taste of the Montana wilderness in wintertime. A week in Yellowstone National Park in February ought to satisfy the hardiest snow lover. Bonus: Soak in a natural hot spring to unwind. (OutWestAdventures.com; $1,995)