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    Thursday, August 4, 6:00-10:30pm

    Birding by Habitat: Woody Creek

    May. 24th, 7:00am to 11:30am Aspen Area

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    May. 17th, 7:00am to 10:00am Rock Bottom Ranch
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ACES Summer Camp

ACES Summer Camp

Jun. 13th, 9:30am to Aug. 12th, 3:30pm

General registration is OPEN.

Picnic on the Preserve: Membership Dinner

Picnic on the Preserve: Membership Dinner

Jun. 13th, 5:30pm to 8:30pm

ACES members are invited to our annual membership dinner, Picnic on the Preserve, on Monday, June 13 at 5:30pm.

Trook Apprenticeship in Education & Environmental Careers

Trook Apprenticeship in Education & Environmental Careers

Jun. 20th, 9:00am to Jul. 1st, 2:00pm

Are you interested in making lasting change as an Environmental leader in the field of sustainability or education.

Painting & Birding the Violet Green Swallow

Painting & Birding the Violet Green Swallow

Jun. 22nd, 5:00pm to 8:00pm

A collaboration with the Art Base

Join us at the inspirational setting of Rock Bottom Ranch for an evening of birds and watercolor.

An Evening on the Lake

An Evening on the Lake

Jul. 21st, 6:00pm to 9:30pm

Stars Above Aspen

Stars Above Aspen

Aug. 4th, 6:00pm to 10:30pm

Aspen Center for Environmental Studies invites you to the top of Aspen Mountain for our 6th annual Stars Above Aspen Astronomy Night on Thursday, August 4 from 6:00-10:30pm.

Spoon Carving

Spoon Carving

Aug. 17th, 5:00pm to 8:00pm

A collaboration with the Art Base

Join artist

Rock Bottom Ranch

Tuesdays and Fridays only, 9am-4pm
Tel: 970.927.6760

2001 Hooks Spur Road
Basalt, CO 81621

Hallam Lake

Mon - Fri, 9am-5pm
Sat, 9am-5pm in summer
Tel: 970.925.5756

100 Puppy Smith Street
Aspen, CO 81611

Catto Center at Toklat

Closed for renovations until spring 2023
Tel: 970.925.9157

11245 Castle Creek Road
Aspen, CO 81611

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