Dillon Osleger

Dillon Osleger is a geologist, professional mountain biker, and award-winning writer and conservationist who has spent years exploring the intersection of trails, public lands, and the communities that rely on them. He has served as a trail worker and executive director for national trail stewardships and serves as a policy adviser for a litany of outdoor conservation NGOs.

He has been the recipient of the Advancing Trails Award from American Trails and has been recognized for his contributions to sustainable public lands advocacy. Dillon’s writing has appeared in Outside, The LA Times, Adventure Journal, Rouleur, Freehub, and Alta, among others, where he blends fieldwork, storytelling, and environmental insight. His work explores how landscapes shape culture, history, and personal connection.

Trail Work (Heyday, 2026) is his first book: a meditative, instructive, and surprising exploration of the trails we travel and the legacies we leave on the land.