Discover your Eastern Sierra this summer with the Eastern Sierra Interpretive Association EDUCATE INSPIRE EXPLORE Shop at one of our bookstores for a large selection of local maps, guides and gifts Join us on a full moon hike, many natural history tours Discovery stores located inside these Inyo National Forest Visitor Centers: Visit our calendar of events for activities to do throughout the Eastern Sierra campfire program or one of our Ancient Bristlecone Mammoth LakesEastern Sierra VisitorMono Basin National W Pine Forest White Mountain Ranger Station Visitor's Center Welcome Center Center, Lone Pine Forest Scenic Area Visit Esiaonline.org for more information The Eastern Sierra Interpretive Association is a non-profit 501 (c)3 organization whose mission is to educate and inspire people about Eastern Sierra public lands through high quality interpretive products, exhibits, and programs.