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Aspen Center for Environmental Studies

100 Puppy Smith Street, Aspen, CO 81611
970 925-5756
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Ranked #17 of 59 Attractions in Aspen
Type: Educational Sites
Owner description: The Hallam Lake Nature Preserve, a wild place in the heart of Aspen, features an Environmental Learning Center, resident birds of prey, an indoor... more » Owner description: The Hallam Lake Nature Preserve, a wild place in the heart of Aspen, features an Environmental Learning Center, resident birds of prey, an indoor trout stream, a nature trail loop, bird watching, a naturalist on site, and programs all year round. Free to visit! « less
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25 reviews from our community

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Date | Rating
  • English first
  • French first
  • Any
English first
Annapolis, Maryland
Reviewer
5 reviews 5 reviews
5 attraction reviews
4 of 5 stars Reviewed August 15, 2014

We went on four ACES hikes: Snowmass nature trail, Ice Age talk, top of Aspen, and Maroon Bells. All of the tours were good, but the first (with Matt; Emily and Elliott were our other guides) was the best. Matt's love for his job is palpable. He made everything fun, informative and exciting. We recommend these tours (they are free... More

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Senior Contributor
32 reviews 32 reviews
14 attraction reviews
14 helpful votes 14 helpful votes
5 of 5 stars Reviewed July 23, 2014

I took their sunset beaver hike and greatly enjoyed the experience! The tour began with an informative session about beavers, in which the kids in attendance got to dress up as beavers. It was adorable! Then, we took a short hike around Hallam Lake and spotted a beaver carrying a branch to construct his dam! It was great! There are... More

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Aspen, Colorado
Contributor
14 reviews 14 reviews
5 attraction reviews
6 helpful votes 6 helpful votes
5 of 5 stars Reviewed June 11, 2014

Love to visit with my grandchildren ages 6 and 8... It's a unique opportunity to learn about the natural habitat of local birds and wildlife.. Be sure to bring your camera... Best shoes are light hikers... But anything will do. Indoors there's a stuffed mountain lion - and lots of learning stations with snakes etc... outdoors there's an eagle and... More

Was this review helpful? Yes 3
Indianapolis, Indiana
Top Contributor
67 reviews 67 reviews
14 attraction reviews
102 helpful votes 102 helpful votes
4 of 5 stars Reviewed June 8, 2014

This was a nice surprise and it's free plus very user friendly. Nice short hike around nature ponds but highlight as the golden eagle and great horned owls.

Was this review helpful? Yes 1
Top Contributor
91 reviews 91 reviews
27 attraction reviews
43 helpful votes 43 helpful votes
4 of 5 stars Reviewed May 24, 2014

ACES is just north of downtown Aspen so if you are staying in the city it's best to walk there as parking is limited. It's a great place for kids as there is a golden eagle and great horned owl to view as well as nice walking paths around the small lake on the property. While admission is free, make... More

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Greendale, Wisconsin
Reviewer
3 reviews 3 reviews
1 helpful vote 1 helpful vote
5 of 5 stars Reviewed March 29, 2014

Since I gave up downhill skiing a few decades ago, I look for hiking, cross country skiing, and snowshoeing opportunities whenever I'm on a winter vacation. ACES offers snowshoeing opportunities on Aspen Mountain, at Snowmass, and in Ashcroft. All of these were headed by brilliant, thoughtful, passionate about the environment, energetic guides. They took me into areas that I never... More

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Newcastle, Australia
2 reviews
1 helpful vote 1 helpful vote
5 of 5 stars Reviewed March 23, 2014

We have been coming to Aspen for 4 years and this was our first visit to ACES, and I wish we had found it earlier. We have 2 children aged 6 and 8, and we are always looking for affordable activities on our days away from skiing. ACES is free, although I encourage you to leave a donation, and is... More

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Carbondale, Pennsylvania
2 reviews
5 of 5 stars Reviewed February 15, 2014

This is a must, be sure to dress warm and wear boots, Your camera will capture beauty at 13,000 ft and your guide is very informed, You will be pleased with this outing .

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Senior Contributor
39 reviews 39 reviews
16 attraction reviews
19 helpful votes 19 helpful votes
5 of 5 stars Reviewed December 26, 2013

If I had this to do over again I would have visited here first. Has a good explanation of some of the geographic and natural sites. Kind of hidden. Once again I would recommend getting a walking tour book or a good pamphlet. We finally wised up and were given a good pamphlet at our accomodations at the St. Moritz,... More

Was this review helpful? Yes 1
Seattle, Washington
Senior Contributor
24 reviews 24 reviews
4 attraction reviews
26 helpful votes 26 helpful votes
5 of 5 stars Reviewed September 11, 2013

The Aspen Center for Environmental Studies (ACES) occupies a large patch of forest and wetlands in the center of Aspen, a nature preserve for over 40 years. The visitor center has materials and programs for kids, and some captive "unreleasable" (permanently disabled) large birds including an eagle and a great horned owl. Tuesday mornings during the summer a guided birdwatching... More

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