Merwin Park

picnic table


  • Largest recreation area on the Lewis River
  • Day use only
  • Can accommodate up to 1,500 people 
  • 135 picnic tables*
  • Two covered picnic shelters*
  • Swimming and outdoor games opportunities please note: for the safety of all swimmers, no personal floatation devices (including but not limited to: kayaks, paddleboards, inflatable watercraft, etc.) or use of oars or paddles are allowed within the swimming area
  • Playground structure
  • Bank fishing available
  • Water and restrooms
  • Open year round- hours vary

*Picnic tables and shelters cannot be reserved in advance.


From the I-5 Woodland, Washington Exit #21 take Highway 503 East, approximately 7.5 miles to Merwin Park.


Visitors entering day use sites via vehicles are required to pay applicable fees. Pass holders must check in with booth attendant (if staffed). Passes must be displayed in car window at all times. Fees are non-transferable.

PDF Lewis River outdoor recreation brochure