Visit our locations:
Join ACES Naturalists for a special evening program at Hallam Lake: Sunset Beaver Walks.
Dispersing juvenile birds and early migrants are on the move by mid-August.
Join us at Rock Bottom Ranch for a casual evening of exploring our agriculture systems followed by a family-style meal in our open-air pole barn.
Join ACES Director of Naturalist Programs, Jim Kravitz on this rare opportunity to discover the far side of the North Star Preserve, which is otherwise closed to the public.
Join ACES Naturalists for a special Bird of Prey Presentation on Saturdays at 3pm.
Firs and spruces, aspens and cottonwoods… how many trees do you know.
Join ACES naturalist Rebecca Weiss every Tuesday throughout the summer and discover the joy of birding and diverse birdlife of the Roaring Fork Valley.
The Aspen Chapel Gallery presents Art for ACES.
With the incredible beauty of Hallam Lake as the studio, join Amy Beidleman to learn how to capture the essence of a scene quickly into small vignettes.