ACES Naturalist Guided Tours

Hike with an ACES Naturalist! Get to know more about the Roaring Fork Valley by hiking with a naturalist guide. Meet us at one of our daily tour locations, or reserve a private hike. Our guides know the area and have a wealth of stories and information to share about wildlife and history of the area.

Upcoming Naturalist Hikes + Programs


Monday, June 17


Know Your Trees | Tree Identification Walk

Summer Guided Hikes

Explore Aspen with ACES! From June until September, ACES offers a variety of things to do for all ages at spectacular locations around Aspen. Join an ACES Naturalist guide for free daily hikes, which explore popular local spots like Aspen and Snowmass mountains, the Maroon Bells and Snowmass’ Ice Age dig.

Looking for a longer adventure in the Aspen area? Our popular Green World Day Hike and River Run Sunset Hike are both a must-do Aspen activity. Offered daily by reservation, these tours include the Ashcroft Ghost Town and lunch or dinner at the Pine Creek Cookhouse!

Winter Snowshoe and Treks

During the winter months, ACES offers a variety of daily programs at spectacular locations around Aspen. Join an ACES Naturalist for daily guided snowshoe tours on top of Aspen Mountain, at Snowmass, and at Ashcroft, or hop on a Naturalist-guided ski tour at Snowmass.

Private Snowshoe Tours

Private Snowshoe Tours

Looking for a different adventure? Hire a private Naturalist guide to take you to any of the locations above or explore Hunter Creek, North Star Nature Preserve, the Rio Grande trail, and more. Tours include knowledgeable guide and snowshoes.

ACES is a permitted outfitter guide through the US Forest Service White River National Forest.