Operating Hours & Seasons Open everyday, seven days a week, except Thanksgiving, December 25, January 1.
Visitor Center hours: Summer: 8:00 - 6:00. Rest of year: 8:00 - 4:30.
Park grounds close at dark.
Local Partners & Information Resources
Walla Walla Chamber of Commerce Getting There Car From I-84, travel north on Oregon Route 11 from Pendleton, Oregon to Walla Walla, Washington, then on U.S. Route 12 go west 7 miles. more » Getting Around Allow one to two hours to explore the Visitor Center and walk all the trails.