About Thorne

Mission and Vision

CLICK HERE to read Thorne’s Mission and Vision.

Educational Philosophy

CLICK HERE to learn about Thorne’s Educational Philosophy.


Thorne has two outdoor education facilities in the Boulder/Denver Metro area at Sombrero Marsh in Boulder and Waterton Canyon in Littleton. Thorne’s administrative offices are located at the Sombrero Marsh Environmental Education Center in Boulder.

CLICK HERE for more information about Thorne’s locations.
CLICK HERE for directions to Thorne’s locations.


Thorne Nature Experience, formerly known as Thorne Ecological Institute, was founded in 1954 by Dr. Oakleigh Thorne, II. Thorne was one of Colorado’s first environmental nonprofits and has a storied history and many accomplishments that extend well beyond connecting more than 250,000 youth and adults to nature over the past five decades.

CLICK HERE to learn more about Thorne’s history.

News about Thorne

CLICK HERE to read Thorne’s latest E-news or CLICK HERE for an archive of past E-News.
CLICK HERE to see the latest local media articles about Thorne.
CLICK HERE to read recent articles from Boulder County Kids written by Thorne’s Founder, Oak Thorne.
CLICK HERE to see an archive of Thorne’s past press releases.

Photos and Video

CLICK HERE to see photos of Thorne’s programs.
CLICK HERE to see videos of Thorne’s programs.


CLICK HERE to get additional information on Thorne, download logos, view photos and more!

Annual Report

CLICK HERE to read Thorne’s most recent Annual Report.

Board and Staff

CLICK HERE to learn about Thorne’s Board.
CLICK HERE to learn about Thorne’s Staff


CLICK HERE to see a list of Thorne’s supporters.

Privacy Policy

CLICK HERE to view Thorne’s Privacy Policy