Aspen Center for Environmental Studies
Aspen Center for Environmental Studies (ACES), a non-profit environmental science education organization, offers activities and programs for all ages. Explore the Aspen area on free Naturalist guided hikes and tours, year-round hire a guide options, and camps and classes for kids and adults. ACES has something for everyone, including a variety of community events and lectures throughout the year. Visit Hallam Lake in Aspen and Rock Bottom Ranch in Basalt.
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