This Old Barn
Tom and Jody Cardamone lived upstairs, sharing space with the hayloft. Downstairs, school children gathered for their excursions into the sanctuary. Today's Hallam Lake visitor center, remodeled in 1989, incorporated the same footprint and main window plan as the old barn.


Before and AfterPhoto on the left circa 1975 by Tom Cardamone using a 1930 Kodak Retina IIA bellows camera. On the right, ACES' new center as it is today.

ACES 40th Anniversary Celebration

ACES in 4th of July parade

Calling All ACES Kids!

Would you like to be a part of Aspen’s 4th of July Parade? We would love for you to join ACES in the parade. We have signs of flowers and animals for you to carry as you walk with us down Main Street.

4th of July parade
ACES float (a walking float it is - look for ACES banner)
meet at 11:30am
Main Street and Garmisch


We are planning on being towards the middle or back of the parade. Parents, please RSVP to ACES Education Director Sarah Schmidt if you are planning on joining us. Hope to see you there!


Toklat in September

Bonfire Dinner at Toklat


Rock Bottom Ranch in October

Annual Harvest Party & 40th Anniversary Celebration

The Aspen Center for Environmental Studies (ACES) is a non-profit environmental education center, now with THREE locations:


ACES at Hallam Lake in Aspen
SUMMER HOURS: Mon - Sat: 9am - 5pm
Tel: 970.925.5756
Fax: 970.925.4819
aces@aspennature.org
100 Puppy Smith St.
Aspen, CO 81611

ACES at Rock Bottom Ranch in Basalt
SUMMER HOURS: Mon - Sat: 9am - 5pm
Tel: 970.927.6760
Fax: 970.927.6703
rockbottom@aspennature.org
2001 Hooks Spur Road
Basalt, CO 81621

ACES at Toklat in Castle Creek Valley
SUMMER HOURS: Mon - Fri: 1pm - 5pm
Tel: 970.925.9157
Fax: 970.925.4819
toklat@aspennature.org
11247 Castle Creek Road
Aspen, CO 81611

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