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When Elizabeth Paepcke donated her 22-acre property in the West End of Aspen in 1969 for the development of an environmental center and preserve, ACES (Aspen Center for Environmental Studies) was born. Since then it has worked tirelessly toward its mission of providing educaiton for environmental responsibility. The Hallam Lake preserve was joined by Rock Bottom Ranch, The Catto Center at Toklat, and Spring Creek creating a four-pronged approach to teaching sustainability in the Roaring Fork Valley. ACES hosts various events thoughout the year including weekly snowshoe tours in the winter, bird watching events in the spring, and various harvest and farm to table celebrations and dinners all year.

(970) 925-5756
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