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Mud Mountain Dam is a U.S. Army Corps of Engineers flood control dam and recreation facility on the White River near Mt. Rainier in Washington State. Visitors to the facility can view the dam, picnic, hike, bike or ride their horses in a scenic woodland setting.  For a printable hiking map, click here.


From Seattle: Driving time 60 minutes
1. Take I-5 South to Hwy 18 East,
2. From Hwy 18 take the Auburn/Enumclaw exit
3. At Auburn take Hwy 164 East to Enumclaw
4. Go through Enumclaw and turn left onto Hwy 410 East
5. Go about 6 miles and turn right onto Mud Mountain Road
6. Go 2.5 miles to Mud Mountain Dam Project

From Tacoma: Driving time 60 minutes.
1. Take Hwy 167 to 410 East to Sumner
2. Hwy 410 East through Bonney Lake, Buckley and Enumclaw
3. In Enumclaw stay on Hwy 410 East
4. Go about 6 miles and turn right onto Mud Mountain Road
5. Go 2.5 miles to Mud Mountain Dam Project

Our office hours are from 7:30 am to 4:00 pm.  If you need additional information, please feel free to call us.  (360) 825-3211 or (206) 764-3717


Mud Mountain Dam recreation area

Park Hours for 2018 (subject to change):

Jan  2 - Apr 27        9 a.m. to 4 p.m. (Closed Weekends)

Apr 28 - May 11      9 a.m. to 4 p.m.  (Open Weekends)

May 12 - Sep 3      9 a.m. to 8 p.m.  (Open Weekends)

Sep 4 - Sep 28       9 a.m to 4 p.m.   (Open Weekends)

Sep 29 -  Dec 31      9 a.m to  4 p.m.  ( Closed Weekends)

Wading Pool is Closed due to equipment failure

(Check back for updates)


The park staff will start closing the park 30 minutes prior to the posted closing time.

Please keep this in mind when making arrangements to visit the recreation area.