Hiking is one of the most popular summer activities in Big Sky and it absolutely will not disappoint anyone interested in an outdoor adventure. With so many amazing trails to explore, from the forests to the peaks, hiking in Big Sky is any hiker’s dream. Trek the miles of trails in the Gallatin-Custer National Forest or experience the beautiful Lee Metcalf Wilderness Areas. Want to stay closer to home? Then take a scenic lift ride to the top of the resort mountains and hike the trails through fields of wildflowers and pine trees. Learn more about our favorite trails and other Montana hiking resources below. .