Geologic Wonders
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The La Garita Caldera eruption created the San Juan Mountains we know today by utterly destroying the volcanoes that stood here before. Read more about the San Juan Super Volcano.
Explore geological features of our National Forests and Grassland in the interactive map, Stories in Stone.
Pagosa Country Geology
(Compiled by Glen Raby, Retired Forest Geoloigist, and Rick Stinchfield, USFS Volunteer)
History
- Pagosa Geology: A brief history
- From the Bottom of the Ocean to the Top of the World (...and Everything in Between)
- San Juan National Forest, Pagosa District Timeline: The geologic timeline is calibrated in 5-million-year blocks of time. The rock profile shows the geologic formations as diagrams using conventional symbols.
Road Trip Logs
- East Fork Valley and the San Juan Glacier: This paper was designed as a self-guiding road trip from the Pagosa Springs Chamber of Commerce Visitor Center, along Highway 160 East then along East Fork Road.
- Pagosa Area Geology: This paper was designed as a self-guiding road trip from Vista Clubhouse at the Pagosa Lakes offic, follows US highway 160 through Pagosa Springs to the overlook below Wolf Creek Pass.