The mission of the JLTGG program is to educate the public about geology and its association with long-term land conservation.  The program offers presentations on topics of general public interest, and periodic field trips to important geologic features in the Jefferson County region.


Copyright: The Jefferson Land Trust Geology Group        WebMaster contact:

WebMaster: Paul Loubere (April, 2012)

Geology Group Field Trip

Geologic Structure of the Olympic Mountains

Link to PhotoEssay and Guide for Fieldtrip

Elwa River and New Delta

Links to Video of the Delta:

Time Lapse of Dam Removal

Blog on Dam and the Coast





The Jefferson Land Trust Geology Group is a volunteer association of local folks interested in geology.

We provide several programs each year to foster our community's general understanding of geology and the specific geology of our local terrain.  Our programs are open to the public

Click here for our events

The Jefferson Land Trust Geology Group


Seattle’s Magnificent Menace

Mt. Rainer: New information about the volcano in our backyard

Pat Pringle, Professor, Centralia College

May 3, 4pm, Quimper UU Fellowship, San Juan Ave. Port Townsend