Summer Camp Registration: Opens March 4, at 12pm MT! We offer week-long camps for kids entering Kindergarten to 8th grade in the fall of 2024. Camps run from June 17th - August 9th. Camps for children entering Kindergarten run from…

Ashcroft Snowshoe Tours Wednesday-Sunday 10am-2:30pm King Cabin Enjoy a snowshoe tour in the upper Castle Creek Valley with an ACES Naturalist! Call ACES for details on pricing and booking. More info Winter Vegetable Tastings Select Fridays,…

It's Annual Giving Season! A love of nature and learning begins at Aspen Center for Environmental Studies. ACES' educational programs are reaching more students, families, and adults than ever. But we can't do it without your support! Please…

Capital Campaign Update: November 2023 As we get ready to celebrate ACES' 55th anniversary in 2024, we continue to be grateful for the generosity of our community, which has enabled ACES to undertake some of the most critical work in its history.…

Stop by Rock Bottom Ranch every Wednesday, November 1 through December 13 from 2pm-6pm! We have expanded our vegetable production this fall and winter in order to supply you all with more vegetables throughout the year. Vegetables, meat, and…

What's happening at ACES this month Visit aspennature.org for a comprehensive list of our fall offerings. Harvest Party tickets on sale now! Don't forget about Harvest Party on October 14 at Rock Bottom Ranch! Enjoy pumpkin carving, ranch games,…

Thank you for a wonderful summer! With the fall equinox coming up this weekend, we are reflecting on one of our best summers yet. ACES is proud to provide opportunities to be curious about and connected with nature, and involved with this…

August Happenings We have lots of exciting programs in store as we near the end of our summer season. Check aspennature.org for a comprehensive list of our summer offerings. Join ACES and Aspen Snowmass for this all-ages event on August 15 from…

July at a Glance Check out our programs coming up this month. Visit aspennature.org for a comprehensive list of our summer offerings. The William A. Nitze Community Lecture with Elizabeth Kolbert Friday, July 21, 6pm - 7pm Paepcke…

Summer has arrived! We have lots of wonderful programs in store for the season. Check aspennature.org for a comprehensive list of our summer offerings. Painting & Birding Wednesday, June 14, 5:30pm - 8pm Rock Bottom Ranch $75,…

Summer with ACES Event Registration We hope you will join us for these special programs and events this season! If you have questions about event details, please contact Christy Mahon, ACES Development Director, at [email protected]. If you…

ACES Summer Events Announced! We look forward to sharing ACES' innovative and educational events with you this summer. Get out your calendar and save the dates for the following events. ACES can only offer these educational programs with the…

Special Events in April For the Trees with The Ivalas String Quartet Wednesday, April 5, 5:30pm | Basalt Library "For the Trees" is an immersive, multi-media show centered on the new string quartet by University of Colorado – Boulder…

Camp registration: Open TODAY at 12pm MST We offer week-long camps for kids entering Kindergarten-8th grade in Fall of 2023. Camps run from June 13 through August 11. Camps for children entering Kindergarten run from 9:30am-12:30pm and all…

Summer camp registration opens at 12pm MST on Wednesday, March 1. This summer, ACES will be offering weeklong summer camps and middle school outdoor adventures at Hallam Lake and Rock Bottom Ranch for students entering grades K-8 in Fall 2023.…

Full Circle Everest: The first all-Black team to summit Mount Everest Thursday, February 2 | 6pm at the Limelight Aspen In the spring of 2022, Philip Henderson led the first all-Black team to summit Mount Everest. This Thursday, February 2, he is…

Each Winter Season, ACES Hosts Three Speaker Series: Naturalist Nights, Wild Perspectives & Potbelly Perspectives. At ACES, we recognize the many ways we can find joy and meaning in our relationship with the natural world. This winter lecture…

The Wisdom & Medicine of the Earth: Healing the Planet & Ourselves January 17 & 24 Tuesdays 6pm - 8pm at Hallam Lake ACES is partnering with Cambridge University psychologist Lindsay Branham for a transformative workshop that…

This Month at ACES The Wisdom & Medicine of the Earth: Healing the Planet & Ourselves ACES is partnering with Cambridge University psychologist Lindsay Branham for a transformative workshop that will equip you with practical tools to…

Join us January - March for these three speaker series centered on community, adventure, and natural sciences. All are invited to attend! About Potbelly Perspectives ACES’ Potbelly Perspectives speaker series features Aspen locals and…

Your vote counts. Are you registered to vote in Colorado? If you haven't registered yet, it's not too late! COLORADO VOTER REGISTRATION Winter Birding November - April, Monthly Join us on the first Tuesday of the month from November…

Aspen Center For Environmental Studies Capital Campaign Update - October 2022 We are excited to share the most recent update on the projects and programs happening because of the success of ACES’ 50th Anniversary Campaign, “Protecting…

Thank you for a wonderful summer! The 2022 summer season was everything we could have hoped for: it was filled with ecological discoveries, fort-building and first-ever backpacking excursions, wildlife sightings, and connecting through our…

Save the Date Harvest Party at Rock Bottom Ranch! We hope you are as excited as we are to celebrate this year's Harvest Party at Rock Bottom Ranch on October 15, 2022! Join us for food, live music, a field harvest, pumpkin carving, ranch games,…

Lovingly known as “The Grand Dame of Aspen,” Elizabeth Paepcke was born on August 28, 1902. After moving to Aspen and establishing the Aspen Music Festival and School and the Aspen Institute with her husband Walter, she wanted to do…

You're invited! Join us for a Jessica Catto Dialogue Climate Change and Megafires in Our Backyard Thursday, August 18, 6-7pm Across the globe, wildfires have become larger, more extreme, and more destructive. At the same time, communities in…

Burlap Dinners at Rock Bottom Ranch Tickets go on sale on Friday, July 29 at 12pm Join us at Rock Bottom Ranch for a casual evening exploring our agriculture systems followed by a delicious family-style meal in our open-air pole barn. This unique…

Summer is here! We hope you explore the outdoors and learn about the environment with ACES this summer! Start early one morning with an exciting birding outing, unleash your creative side during one of our workshops, or go on a hike with a…

Summer is almost here! We hope you explore the outdoors and learn about the environment with ACES this summer. Start early one morning with an exciting birding outing, unleash your creative side during one of our workshops, or go on a hike with a…