Aspen Center for Environmental Studies |

Snowshoe tour on Aspen Mountain

ACES' Wintersculpt entry

Education Director Sarah Schmidt with Aspen Country Day students

Snowshoe tour on Aspen Mountain

The Early Learning Center visits Hallam Lake

Waterfowl on Hallam Lake on a cold morning

Stay Connected With Us:

21 Day Reusable Challenge

Join ACES' trustee Gretchen Bleiler in the 21 Day Reusable Challenge, beginning February 1st! ACES is excited to participate, who will join us?

February Book Club

ACES February book club meeting will be moderated by Jonathan Bastian, the host of 'Page by Page' on Aspen Public Radio and book review columnist for the Aspen Daily News. Book: The Golden Spruce by John Vaillant Date: Tuesday February 28, 2012. Time: 6pm Place: The Catto Center at Toklat.

Potbelly Perspectives Evening Slide Show Series

Potbelly Perspectives gives Aspen locals and visitors the chance to share exciting accounts of world travel and adventure with the community through images and stories. Wednesdays at 7:30 at Hallam Lake. For a complete schedule of this year's presenters:

Naturalist Nights Evening Slide Show Series

ACES, together with Wilderness Workshop and the Roaring Fork Audubon invites wildlife experts and ecologists to explore and share topics of the natural world through slideshows and discussion. Thursdays, 7:30 at Hallam Lake. For a complete schedule of this year's presenters:

January

Nature & Me: Winter Fun

The winter session of Nature & Me begins on Monday, January 24th. This parent & child class meets every Monday through March. Best suited for ages 1-4 with their parents. More information.

Ashcroft Snowshoe Tours

Join an ACES Naturalist on a half day tour of Ashcroft and the upper Castle Creek Valley! Includes lunch at the Pine Creek Cookhouse. More...

Full Moon Wildlife Walks

Come explore Rock Bottom Ranch every full moon! Next Full Moon Wildlife walk is February 7th! Free, all ages welcome. More information.

School Days

School is on and ACES school programs are available! Teachers, please call to schedule a program. More information.

ACES' Staff 'Pic' of the Week

Check out our featured photo or video of the week every MONDAY.

Have a Birthday Party at ACES!

Are you looking for a different kind of fun for your Birthday child? Look no further and come to ACES for a Birthday Party! Available at Hallam Lake or Rock Bottom Ranch.

Join us!