By Mail 328 Whitman Mission Road Walla Walla, WA 99362
By Phone Visitor Information (509) 522-6357 Park Headquarters (509) 522-6360
By Fax (509) 522-6355
General Inquiries By E-mail Schedule a School Field Trip whmi_education@nps.gov
Last updated: March 13, 2024
328 Whitman Mission Road Walla Walla, WA 99362
509 522-6360
