Rocky Mountain Biological Laboratory • P.O. Box 519
Crested Butte, CO 81224 • (970) 349-7231


Welcome to the Rocky Mountain Biological Laboratory



This is a temporary site. Please email us with any questions or concerns, thank you!

To learn more about what’s happening in Gothic this year please visit the Weldon and Rosalie Weekley Visitor’s Center in Gothic, open daily from 10 a.m. to 4:30 p.m. or call (970) 349-7156.  More information is also available in our Spring 2014 newsletter.

Join us for our Volunteer Weed Day on July 25, starting at 9 a.m. at the Visitor’s Center, followed by a free lunch for all participants at noon in Gothic.  For more information, please contact

Thanks to everyone who participated in the 46th Annual Gothic to Crested Butte 1/3rd Marathon!!  And thank you to our sponsors: Eleven, Irwin Guides, and Crested Butte Mountain Guides for the great t-shirts and goody bags!!

For timed race results, please click



Students & Researchers

For inquiries regarding student arrivals and researcher logistics, please contact the Operations office at or click on the Scientists and Students tabs above.


Jobs at RMBL

For information about current job openings at RMBL, click here:


Summer Science Tours & Weldon Rosalie Weekley Center

Click for information on Summer Science Tours and the Weldon and Rosalie Weekley Visitor’s Center.



Make a Donation

To make a donation, please click here.



Weather Update

Click here for billy’s Gothic weather updates.