Lewis River

For more than 65 years, PacifiCorp has provided public recreation opportunities along the Lewis River. Today, we operate 14 recreation facilities along the river, below Merwin Dam and along the shores of Yale, Merwin and Swift reservoirs. Combined, these recreation areas provide the public with 304 campsites in four campgrounds, 233 picnic sites and nine boat launch locations. Our Lewis River recreation facilities begin at Island Access, approximately two miles east of Woodland, Washington, on State Highway 503, and continue 45 miles upstream to Eagle Cliff Park at the east end of Swift Reservoir.

ALERT: This message has been updated Monday, April 10, 2017.

·         State Route 503 is currently closed due to a landslide.  Merwin Park is accessible via 503 from Woodland.  All other parks are accessible via established detours to Cougar.  Please visit the WSDOT website for travel details at http://www.wsdot.wa.gov/regions/southwest

·         Speelyai Park is closed beginning Wednesday April 12, 2017 for public safety purposes as the WSDOT works to clear the landslide.  Cresap Bay Park will be opened as an alternative for day use in accordance with Speelyai Park hours.  It is undetermined at this time when this closure will end.  Please continue to check this webpage for updates.

·         Boaters, due to severe winter storms, you may encounter large amounts of floating and subsurface debris on the reservoirs.   All persons using the waters of the Reservoirs do so at their own risk.


If you're thinking about having an event at the Lewis River, review these important Event Guidelines (PDF) first. For additional information, please call 503-813-6666.


PacifiCorp is accepting reservations for campsites. Reservations can be made up to nine months in advance. Get season details »

If you do not wish to reserve your campsite(s) online, or if you need to make a change in your reservation (example: cancel) please call 360-238-5251.  *Please see Rules and Regulations Page for information regarding change and cancellation fees.

Visitors wishing to camp at PacifiCorp's Lewis River recreation facilities may use the online system to reserve their desired campsites, starting at 12:01 am, approximately nine (9) months in advance up to their arrival date. 

Important! Speelyai Bay Park will be closed to the public Monday, May 2 through Friday, May 6, 2016, for maintenance purposes. A main water line is being replaced to fix a leak in the water system, which will impact park ingress/egress.

Cresap Bay Park will be opened during this time as an alternative for Merwin Reservoir boating access. All other amenities at Cresap Bay Park will remain closed until Memorial Day weekend, as regularly scheduled.

Please direct any questions or concerns to recreation@pacificorp.com or 503-813-6666.

Location Picnic Restroom Fishing Boating
Merwin Reservoir
Merwin Park135YesBankn/a
Speelyai Bay Park  22Yesn/aRamp
Cresap Bay Park
Yale Reservoir
Saddle Dam Park  1Yesn/aRamp
Yale Park42Yesn/aRamp
Cougar Park  1Yesn/aRamp
Beaver Bay Park
Swift Reservoir
Swift Forest Camp
Eagle Cliff Park10Yes



White Salmon River
Northwest Park 27Yesn/an/a 

General Recreation Information


Flow line: 1-800-547-1501
Water release schedules

boating and picnicking at Lewis River recreation site

Reservoir Elevation

The National Oceanic and Atmospheric Administration (NOAA) provides regular reservoir elevation information and official weather radio broadcasts for watches, warnings, hazard information, routine forecasts and weather reports. To hear this information for Woodland and the Lewis River Valley, tune your weather radio to the following frequency: 162.525 MHz, or Channel 6 and Station ID: WNG-604.

PacifiCorp does not directly provide information regarding flow rates or water levels on the Lewis River. Further, we expressly disclaim any obligation to provide public notices regarding flow rates or water levels. This information can be found online using the links above. These Web sites are published and maintained by United States government agencies. We are not responsible for the timeliness, accuracy or availability of the information on these sites or any other external site.

Hunting & Wind Facility Access

Public access to lands within the Marengo wind facility is available for hunting, birdwatching and other recreational activities, subject to certain restrictions.

Get details