Home
  • Blog
  • Sign in
  • Newsletter Sign Up
  • Blog
  • Sign in
  • Newsletter Sign Up
  • Programs & Events
    • Activities
    • Events
    • Adults
    • Kids
    • Families
    • Guided Tours
    • Birding
    • Wild Perspectives
    • Naturalist Nights
    • Jessica Catto Dialogues

    Happening Soon

    Private Guided Tours

    Available daily by reservation

    March Birding at Hallam Lake

    Mar. 2nd, 8:00am to 11:00am Hallam Lake

    Aspen Mountain Snowshoe Tour

    Twice daily starting Dec. 14, 10am & 1pm

    Aspen Area
    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 Dinners Aspen Area Wildlife true Search

type:

  • Outdoor Experiences Apply Outdoor Experiences filter

topic:

  • Art Apply Art filter
  • Birding Remove Birding filter
  • Dinners Remove Dinners filter
  • Food Apply Food filter
  • Hiking Apply Hiking filter
  • Science Apply Science filter
  • Snowshoe and Ski Tours Apply Snowshoe and Ski Tours filter
  • Wildlife Remove Wildlife filter

location:

  • Aspen Area Remove Aspen Area filter
    • Hallam Lake Apply Hallam Lake filter
    • Snowmass Apply Snowmass filter
  • Basalt/Carbondale Apply Basalt/Carbondale filter
    • Rock Bottom Ranch Apply Rock Bottom Ranch filter

grade:

  • 1st Grade Apply 1st Grade filter
  • 2nd Grade Apply 2nd Grade filter
  • 3rd Grade Apply 3rd Grade filter
  • 4th Grade Apply 4th 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 Apply Families filter
  • Kids Apply Kids filter

availability:

  • Available Remove Available filter
Dates
E.g., Mar 02, 2021
—
E.g., Mar 02, 2021
View
View

March Birding at Hallam Lake

March Birding at Hallam Lake

Mar. 2nd, 8:00am to 11:00am

Birding in fall, winter, and early spring is great exercise for your identification and field craft skills.

Snowmass Guided Treks

Snowmass Guided Treks

Mar. 2nd, 10:15am to 2:15pm

Snowmass Tourism and the Aspen Center for Environmental Studies (ACES) offer FREE guided treks on the Nature Trail and Sleighride Trail in Snowmass Village.

April Birding at Hallam Lake

April Birding at Hallam Lake

Apr. 6th, 8:00am to 11:00am

Birding in fall, winter, and early spring is great exercise for your identification and field craft skills.

Wild Exploration | One

Wild Exploration | One

Jun. 14th, 9:30am to Jun. 18th, 3:30pm

Ready to explore with ACES.

Trook Apprenticeship in Education & Environmental Careers

Trook Apprenticeship in Education & Environmental Careers

Jun. 21st, 9:00am to Jul. 2nd, 2:00pm

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

Adventure Kids | One

Adventure Kids | One

Jun. 21st, 9:30am to Jun. 25th, 3:30pm

Join us for adventures into the wild.

Hit the Trail | One

Hit the Trail | One

Jun. 28th, 9:30am to Jul. 2nd, 3:30pm

Grab your hiking boots and hit the trail this summer with ACES.

Science Kids

Science Kids

Jul. 6th, 9:30am to Jul. 9th, 3:30pm

Unlock the mysteries of nature through science.

Men in the Mountains: Boys Leadership Adventure (overnight)

Men in the Mountains: Boys Leadership Adventure (overnight)

Jul. 12th, 9:30am to Jul. 16th, 3:30pm

Join us for ACES’ all boys wilderness leadership backpacking adventure.

Women in the Wild | Girls Leadership Adventure (overnight)

Women in the Wild | Girls Leadership Adventure (overnight)

Jul. 12th, 9:30am to Jul. 16th, 3:30pm

Join us for ACES’ signature all girls wilderness leadership backpacking adventure.

Hit the Trail | Two

Hit the Trail | Two

Jul. 12th, 9:30am to Jul. 16th, 3:30pm

Grab your hiking boots and hit the trail this summer with ACES.

Alpine Discoveries (overnight)

Alpine Discoveries (overnight)

Jul. 19th, 9:30am to Jul. 23rd, 3:30pm

Join us for this backpacking adventure high into the Alpine and discover what makes this environment unique while camping under the stars.

  • Show more

Rock Bottom Ranch

Fridays, 9am-5pm
Tel: 970.927.6760

2001 Hooks Spur Road
Basalt, CO 81621

Hallam Lake

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

100 Puppy Smith Street
Aspen, CO 81611

Catto Center at Toklat

Closed for the season starting October 1st
Tel: 970.925.9157

11245 Castle Creek Road
Aspen, CO 81611

Privacy Policy  |  Terms and Conditions  |  Careers  |  Charity Navigator
©2021 Aspen Center for Environmental Studies