Monday - Saturday
6/20/2015 - 9/05/2015
Saturdays
6/20/2015 - 9/05/2015
Tuesday & Thursday
6/23/2015 - 9/03/2015
Parent & Child nature series
Best suited for ages 1-4
10/12/2015 - 12/14/2015

Eagles, Hawks, & Owls

Learn all about raptors in this close-up encounter with our resident, non-releasable birds of prey the Golden Eagle, Great Horned Owl, and Red-tailed Hawk. Visitors of all ages will enjoy this one-hour program!

$10 suggested donation per family / free for members.

Rain or shine!


6/16/2014 - 8/30/2014
Hallam Lake
4PM Monday - Friday
2PM Saturday
Mondays
6/01/2015 - 8/31/2015
Daily
6/20/2015 - 9/07/2015
Daily
6/20/2015 - 9/05/2015
Daily
6/20/2015 - 9/05/2015
Daily
6/20/2015 - 9/07/2015
Daily
6/20/2015 - 9/07/2015
Daily
6/20/2015 - 9/07/2015
Select Mondays
6/22/2015 - 8/17/2015
Select Mondays
6/29/2015 - 8/10/2015
Daily
6/30/2015 - 9/01/2015
Daily
6/30/2015 - 9/02/2015

Maroon Bells Programs

10:15am AND 1:15pm Crater Lake Hike

3.6 miles round trip, 500 ft. elevation gain
Join a naturalist for a one-way hike to Crater Lake. This one-hour hike focuses on the flora, fauna, and geology along the trail.

10:15am AND 1:15pm Landmarks in Time Walk
Walk along Maroon Lake for 45 minutes with a naturalist. Investigate the history of this geologic wonder and ecological paradise.
 
All programs meet at the Maroon Information Center (MIC) at Maroon Lake
Courtesy of the U.S. Forest Service
Daily, free
6/16/2012 - 9/03/2012
7/31/2015 - 9/30/2015
Shuttle to Rock Bottom Ranch
  view dates
8/03/2015 - 8/07/2015
8/03/2015 - 8/07/2015
8/03/2015 - 8/07/2015
8/03/2015 - 8/07/2015
Morning Birding
  view dates
Rebecca Weiss
8/04/2015
Rebecca Weiss
8/18/2015
Rebecca Weiss
8/25/2015
Rebecca Weiss
9/01/2015
Rebecca Weiss
9/08/2015
Rebecca Weiss
9/22/2015
Rebecca Weiss
9/29/2015
Janis Huggins
8/05/2015
Dr. Cherilynn Morrow
1 graduate credit | Adams State University
8/06/2015 - 8/07/2015
8/10/2015 - 8/14/2015
8/10/2015 - 8/14/2015
Partnership | Aspen Art Museum
8/10/2015 - 8/14/2015
Partnership | Snowmass Discovery
Tom Cardamone and Tom Temme
8/12/2015
8/17/2015 - 8/21/2015
8/17/2015 - 8/21/2015
Parent & Child nature series
Best suited for ages 1-4
10/12/2015 - 12/14/2015
Wildflowers on Aspen Mountain

Aspen Mountain Walk

Ride the gondola to the summit of Aspen Mountain and enjoy a naturalist-guided walk surrounded by inspiring views. These 45-minutes-walks are offered EVERY HOUR between 11 am and 3 pm.

No reservations necessary. Courtesy of the Aspen Skiing Company with the purchase of a gondola pass.

Meet every day atop of Aspen Mountain at the ACES Information Station.
11am, 12pm, 1pm, 2pm, and 3pm
Daily, Free

6/16/2012 - 9/03/2012
Monday, 11AM - 5PM
Tuesday - Sunday, 9AM - 5PM
Tel: 970.925.9157
Fax: 970.925.4819
aces@aspennature.org
11247 Castle Creek Road
Aspen, CO 81611

Monday - Friday, 9AM - 5PM
Saturday, 9AM - 1PM
Closed 4th of July
Tel: 970.927.6760
Fax: 970.927.6703
aces@aspennature.org
2001 Hooks Spur Road

Basalt, CO 81621

Monday - Saturday, 9AM - 5PM
Closed 4th of July
Tel: 970.925.5756
Fax: 970.925.4819
aces@aspennature.org
100 Puppy Smith Street
Aspen, CO 81611

Jessica Catto Dialogue | Carl Safina

Join ACES at the Hotel Jerome Ballroom for "Caught in the Same Net; The Ocean and Us,"  a lecture by Carl Safina, renowned ecologist, conservationist, author, and president of the Safina Center at Stony Brook University. This event will reach capacity, so please arrive early to find a seat.
 
Fisheries, coral reefs, forests, climate change, poverty, literacy for girls, and peace—these are all facets of the same issue.
 
Drawing on two acclaimed recent books—The View From Lazy Point and A Sea In Flames—scientist/author Dr. Carl Safina will weave a story that is both deeply personal and broadly global. 
 
Sharing travels that take us from his Long Island beach house to the high Arctic, Antarctica, and across the coastal tropics, Carl will show how the changes he’s witnessed challenge not just nature, but all of humankind.  
 
Safina will also discuss how science has ethical implications, how religion and science are converging toward common cause on environmental matters, and how moral responses can add momentum toward increasingly crucial solutions. Despite serious trends, there is a path forward. 
 
Books will be available for signing by the author following the event.
 
"As people change the world, Carl Safina’s work reveals how the future of living nature and the durability of human dignity are increasingly intertwined. His work probes the science as well as the ethics of our moment with nature… [Carl] has studied nature as a scientist, stood for it as an advocate, and conveyed his travels among sea creatures and coastal people in lyrical non-fiction writing." More info at safinacenter.org.

Carl has a Ph.D. in Ecology, is author of six books (including Song for the Blue Ocean and Eye of the Albatross) and approximately 200 scientific and popular articles including features in The New York Times and National Geographic. Carl hosts Saving The Ocean on PBS and has received a Pew fellowship, a Guggenheim Fellowship, and a MacArthur "genius" Prize.

Free Members
Free Non Members
6/25/2015

6PM
Hotel Jerome Ballroom

An Eye on the Roaring Fork River in Aspen

ACES has a new tool that measures streamflow on the Roaring Fork River in Aspen!


Evening Birding Species List | July 22, 2015

Wednesday, July 22, 2015, 6PM - 8PM
Weather: sunny, clear
Location: Hallam Lake


Little Nell Ride and Dine Dinner

The Little Nell's Ride & Dine Dinner Series showcases local purveyors in the Roaring Fork Valley through an on-site dining experience. The 2015 series will culminate in an end of season celebration with the largest Ride & Dine event yet, held at ACES at Rock Bottom Ranch! Guests will enjoy tours of the Ranch, a family-style al fresco meal prepared by The Little Nell culinary team, libations, live music from The Poser Band, a silent auction, and more. Event proceeds will support ACES sustainable agriculture education programs. 

Join The Little Nell to cap-off the 2015 Summer Season and support ACES as we celebrate local purveyors!

Click here for more information and to purchase tickets.

8/27/2015

4PM - 9PM
Rock Bottom Ranch
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