King County, WA

Est. 1954

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Welcome to King County Explorer Search & Rescue (ESAR)


Founded in 1954, King County Explorer Search & Rescue is one of the earliest Search & Rescue organizations established in the United States and the largest of eight member-units of the King County Search & Rescue Association.


100% Volunteer, 100% Donation Funded. King County Explorer Search & Rescue is a non-profit organization. It is donations from people like you that make Search & Rescue services possible. Please consider donating today.


King County Explorer Search & Rescue is open to both adult and youth membership. New members must complete our comprehensive basic training program which is designed to prepare them for the challenges that they will face in the field.

King County Explorer Search & Rescue (ESAR) is a 501(c)(3) Volunteer Organization.

Our members respond to over 150 emergencies every year.

ESAR is King County's primary wilderness ground search and rescue organization. Our members are outdoor enthusiasts with a passion for helping those in need. 100% of funding for training, operations, and critical, life-saving equipment comes from generous donations by local businesses, the communities that we serve, our volunteers, and people like you.