Home
  • Blog
  • Sign in
  • Newsletter Sign Up
  • Blog
  • Sign in
  • Newsletter Sign Up
  • Programs & Events
    • Activities
    • Speaker Series
    • Events
    • Adults
    • Kids
    • Families
    • Guided Tours
    • Birding
    • Jessica Catto Dialogues
    • Rock Bottom Ranch

    Happening Soon

    Tuesday Birding at Hallam Lake

    Every other Tuesday, varying times 

    North Star Birding: Early Migration

    Aug. 17th, 7:30am to 10:30am North Star

    Tuesday Birding at Rock Bottom Ranch

    Every other Tuesday, varying times 

    Rock Bottom Ranch
    View All Programs & Activities
  • Our Work

    Educating for Environmental Responsibility:

    Forest Programs

    Naturalist Programs

    ACES Ed

    Regenerative Ag

    Adult Programs & Experiences

    Youth Camps & Experiences

  • Research & Resources
    • Jessica Catto Dialogues
    • Phenology Resources
    • Get Involved
    • Wildlife Videos
    • Naturalist Nights Videos
    • The Hidden Life Around Us Book

    Learn more about your home:

    Osprey Camera

    Forest Health Index

    Roaring Fork River Gauge

    Birding

  • About
    • Our Story
    • Reports and Financials
    • Partners
    • Staff
    • Work at ACES
    • Board of Trustees

    Visit our locations:

    Rock Bottom Ranch

    Tractor with I love chickens bumper sticker

    Hallam Lake

    Aspen Center for Environmental Studies Hallam Lake entrance

    Catto Center at Toklat

    Oaxacan rug hanging outside of toklat with golden aspen trees
  • Support
    • Donate
    • Membership
    • Donor Circles
    • Volunteer
    • Get Involved
    • Corporate Sponsors

    Be a bold visionary for the environment:

    Renew Your Membership

    ACES Bird Club

    Gift & Tribute Memberships

    Capital Campaign

Search form

Donate Now
Home Families Kids Search

type:

  • Outdoor Experiences Apply Outdoor Experiences filter
  • Special Events Apply Special Events filter

topic:

  • Art Apply Art filter
  • Dinners Apply Dinners filter
  • Farming Apply Farming filter
  • Food Apply Food filter
  • Hiking Apply Hiking filter
  • Science Apply Science filter
  • Wildlife Apply Wildlife filter

location:

  • Aspen Area Apply Aspen Area filter
    • Aspen Mountain Apply Aspen Mountain filter
    • Hallam Lake Apply Hallam Lake filter
    • Maroon Bells Apply Maroon Bells filter
    • Snowmass Apply Snowmass filter
    • Toklat/Ashcroft Apply Toklat/Ashcroft filter
  • Basalt/Carbondale Apply Basalt/Carbondale filter
    • Rock Bottom Ranch Apply Rock Bottom Ranch filter

grade:

  • Kindergarten Apply Kindergarten filter
  • 1st Grade Apply 1st Grade filter
  • 2nd Grade Apply 2nd Grade filter
  • 3rd Grade Apply 3rd Grade filter
  • 4th Grade Apply 4th Grade filter
  • 5th Grade Apply 5th Grade filter
  • 6th Grade Apply 6th Grade filter
  • 7th Grade Apply 7th Grade filter
  • 8th Grade Apply 8th Grade filter
  • High School Apply High School filter

age:

  • Adults Apply Adults filter
  • Families Remove Families filter
  • Kids Remove Kids filter
    • 5 Apply 5 filter
    • 6 Apply 6 filter
    • 7 Apply 7 filter
    • 8 Remove 8 filter
    • 9 Apply 9 filter
    • 10 Apply 10 filter
    • 11 Apply 11 filter
    • 12 Apply 12 filter
    • 13 and over Apply 13 and over filter

availability:

  • Available Apply Available filter
Dates
E.g., Aug 11, 2022
—
E.g., Aug 11, 2022
View
View

Snowmass Wildflower Walk

Snowmass Wildflower Walk

Aug. 11th, 10:00am to Oct. 28th, 12:00pm

Snowmass Wildflower Walk is offered daily at 10am from Saturday, June 18, 2022 - Sunday, September 4, 2022.

Maroon Bells Maroon Lake Walk

Maroon Bells Maroon Lake Walk

Aug. 11th, 10:15am to Oct. 29th, 2:00pm

Maroon Bells Maroon Lake Walk is offered daily at 10:15am and 1:15pm from Saturday, June 18, 2022 - Monday, September 5, 2022.

Maroon Bells Crater Lake Hike

Maroon Bells Crater Lake Hike

Aug. 11th, 10:15am to Oct. 29th, 3:15pm

Maroon Bells Crater Lake Hike offered daily at 10:15am and 1:15pm from Saturday, June 18, 2022 - Monday, September 5, 2022.

Green World Day Hike

Green World Day Hike

Aug. 11th, 10:30am to Dec. 1st, 2:30pm

Offered from mid-June through the end of September, by reservation only.

Farm Animal Connections

Farm Animal Connections

Aug. 11th, 10:30am to Oct. 13th, 11:00am

Advance registration required.

Aspen Mountain Walk

Aspen Mountain Walk

Aug. 11th, 11:00am to Oct. 29th, 4:00pm

Aspen Mountain Walk is offered daily on the hour from 11am - 3pm.

Snowmass Ice Age Discovery Hike

Snowmass Ice Age Discovery Hike

Aug. 11th, 1:00pm to Oct. 28th, 3:00pm

Snowmass Ice Age Discovery Hike is offered daily at 1pm from Saturday, June 18, 2022 - Sunday, September 4, 2022.

Birds of Prey Demonstration

Birds of Prey Demonstration

Aug. 11th, 4:00pm to Oct. 24th, 5:00pm

Registration opens June 10.

River Run Sunset Hike

River Run Sunset Hike

Aug. 11th, 5:00pm to Nov. 23rd, 8:00pm

The evening version of our Green World Day Hike, this Naturalist guided adventure will explore the majesty of the Castle Creek valley at sunset.

Sunset Beaver Walk

Sunset Beaver Walk

Aug. 11th, 7:30pm to Oct. 22nd, 8:30pm

Advance registration is required.

Egg Collection

Egg Collection

Aug. 12th, 12:00pm to Oct. 28th, 12:45pm

Calling all egg lovers.

Hayride Farm Tours

Hayride Farm Tours

Aug. 13th, 10:30am to Nov. 5th, 11:30am

Join us for a hayride Farm Tour at Rock Bottom Ranch.

  • Show more

Rock Bottom Ranch

Tuesdays - Fridays, 9am-4pm
Saturdays, 9am-1pm
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

Privacy Policy  |  Terms and Conditions  |  Careers  |  Charity Navigator
©2022 Aspen Center for Environmental Studies