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Photo by Jane Fox

Snow Mountain Ranch trip.

Photo by George Meriwether

Lenore Caves and Umatilla Rock trip.

News and Upcoming Events

Spring Activities

Spring 2018 trips are now listed in the Calendar.


How does a critter cross I-90? Check this site for more information about the wildlife crossings over I-90 in the Snoqualmie Pass area.

Columbia Gorge Trails

Click here for information on what trails are open and closed in the Columbia Gorge after 2017 Eagle Creek fire.

Fred Beckey Film

Click here for information on a film to be shown in Yakima on April 27, 2018.

IMAC on Facebook

P.O. Box 505
Richland, WA 99352