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    120th Annual Audubon Christmas Bird Count

    Dec. 15th, 7:30am to 3:00pm

    Holiday Après Hours at Catto Center at Toklat

    Every day from Dec. 21 - Jan. 4, 12pm-5pm

    Catto Center at Toklat

    Holiday Après Hours at Catto Center at Toklat

    Every day from Dec. 21 - Jan. 4, 12pm-5pm

    Catto Center at Toklat
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120th Annual Audubon Christmas Bird Count

120th Annual Audubon Christmas Bird Count

Dec. 15th, 7:30am to 3:00pm

ACES invites you to help count birds on Sunday, December 15, 2019 in the Aspen area for the 120th

Aspen Mountain Snowshoe Tour

Aspen Mountain Snowshoe Tour

Dec. 16th, 10:00am to 12:00pm

Weave in and out of serene spruce and fir forests as you take in Aspen's majestic vistas from Richmond Ridge with a knowledgeable Naturalist on this two-hour guided snowshoe tour.

Snowmass Snowshoe Tour

Snowmass Snowshoe Tour

Dec. 16th, 10:00am to 12:00pm

Explore spruce and fir forests along a babbling creek in the Snowmass Ski Area on this two-hour guided snowshoe tour with a Naturalist from Aspen Center for Environmental Studies (ACES).

Ashcroft Snowshoe Tour

Ashcroft Snowshoe Tour

Dec. 16th, 10:30am to 2:30pm

A must-do Aspen experience.

Snowmass Ski Tour

Snowmass Ski Tour

Dec. 16th, 11:00am to 12:00pm

Drop in at the Wapiti Wildlife Center at the top of the Elk Camp lift to ski a run with a Naturalist from Aspen Center for Environmental Studies.

Hire a Guide

Hire a Guide

Dec. 16th, 12:45pm

Explore and learn about the Aspen area with ACES.

Holiday Après Hours at Catto Center at Toklat

Holiday Après Hours at Catto Center at Toklat

Dec. 21st, 12:00pm to 5:00pm

This holiday season, you're invited to holiday après hours at the Catto Center at Toklat.

Family Bird of Prey Après

Family Bird of Prey Après

Dec. 26th, 3:00pm to 5:00pm

Join ACES for a special gathering during the holiday season at our Hallam Lake visitor center, featuring warm drinks, s’mores by the fire, winter-themed crafts for children, and a Bird of Prey program with ACES’ resident raptors.

Fur Coats, Feathers, and Snow Caves (Grades K-1)

Fur Coats, Feathers, and Snow Caves (Grades K-1)

Dec. 30th, 9:00am to 3:00pm

Gore-Tex is not an option for most Aspen animals in winter.

Snownation – Hibernation, Migration, Adaptation (Grades 2-3)

Snownation – Hibernation, Migration, Adaptation (Grades 2-3)

Dec. 30th, 9:00am to 3:00pm

How do animals survive through the cold, snowy winter.

Snowshoes and Artistic Pursuits (Grades 4-6)

Snowshoes and Artistic Pursuits (Grades 4-6)

Dec. 30th, 9:00am to 3:00pm

Let your creative mind run wild this winter as we strap on our snowshoes and create works of art inspired by nature.

Winter Ecologists (Grades 4-6)

Winter Ecologists (Grades 4-6)

Dec. 31st, 9:00am to 3:00pm

Snowflakes.

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Rock Bottom Ranch

Fri 9am-5pm
Tel: 970.927.6760

2001 Hooks Spur Road
Basalt, CO 81621

Hallam Lake

Mon - Fri 9am-5pm
Sat 9am-5pm
Tel: 970.925.5756

100 Puppy Smith Street
Aspen, CO 81611

Catto Center at Toklat

Call for hours of operation
Tel: 970.925.9157

11247 Castle Creek Road
Aspen, CO 81611

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