Highlight • Monument
Mountain biking
5.0
(1)
Hiking
5.0
(1)
The Wynoochee Dam is a notable man-made monument situated in the scenic foothills of the Olympic Mountains in Grays Harbor County, Washington. Located approximately 28 miles (45 km) north of Montesano, this impressive structure, built in 1972 by the United States Army Corps of Engineers, stands at an elevation of 245 meters. It plays a crucial role in regulating the flow of the Wynoochee River, creating the expansive Wynoochee Reservoir, also known as Wynoochee Lake, which serves as a vital water source and for flood control.
Visitors are consistently drawn to the dam's setting amidst stunning natural beauty. The area is celebrated for its towering trees, incredible waterfalls like Maidenhair Falls and Wynoochee Falls, and the tranquil waters of Wynoochee Lake. Many appreciate the peaceful escape it offers, providing a "total reset" from daily life and abundant opportunities for photography, especially during sunrise and sunset.
Before heading out, be aware that the terrain around Wynoochee Dam and Wynoochee Lake offers a mix of easy and more challenging paths, so appropriate footwear is recommended for exploring the hiking trails. While access directly over the dam has been restricted since 2001, the surrounding area remains open for recreation. Parking is available, particularly near Coho Campground and day-use areas, but it's always wise to check local conditions, especially during peak seasons.
The best time to visit Wynoochee Dam and the surrounding Wynoochee Lake area is generally from spring through fall, when the weather is most conducive to outdoor activities. The region is a haven for hikers and mountain bikers, with the 16-mile Wynoochee Lake Shore Trail being a designated National Recreation Trail. Water activities such as boating, kayaking, paddleboarding, swimming, and fishing for rainbow trout and whitefish are popular on the lake, while the Wynoochee River below the dam is renowned for world-class salmon fishing.
For those looking to explore the area, the Wynoochee Lake Shore Trail offers a fantastic experience. This 16-mile (26 km) loop around Wynoochee Lake provides continuous scenic views and is suitable for both hiking and mountain biking, with a moderate difficulty level. The trail allows you to fully immerse yourself in the natural environment, passing through lush forests and along the lake's edge.
Many who visit describe the unique experience of traversing the path that leads directly over the Wynoochee Dam itself, marveling at the engineering feat and its integration into the wild landscape. The presence of a fish collection facility downstream highlights the ongoing efforts to support local salmon and steelhead populations, adding another layer of interest to this dynamic environment. The serene atmosphere, combined with the sounds of rushing water and abundant wildlife, creates memorable moments for all who explore here.
Whether you're interested in a leisurely stroll, a challenging hike, or a scenic bike ride, the Wynoochee Dam area provides a variety of options. You can discover numerous Wynoochee Dam trails and routes, explore Wynoochee Lake hiking opportunities, or find family-friendly trails around the reservoir. To plan your adventure and find the perfect path for your activity level, you can explore the many routes available on komoot.
Tips
November 29, 2023
Hiking
October 6, 2023
Mountain biking

In the know? Log-in to add a tip for other adventurers!
Sign up for free
Nearby routes
Best routes near Wynoochee Dam

19.6km
01:54
310m
310m
The Wynoochee Lake Shore Trail offers a varied mountain biking experience through old-growth and second-growth forests, following the scenic Wynoochee River and Lake. You will navigate singletrack, enjoying beautiful views of the water and occasional glimpses of the Olympic Mountains' saw-toothed peaks. This moderate route covers 12.1 miles (19.6 km) with an elevation gain of 1006 feet (306 metres), typically taking about 1 hours and 53 minutes to complete.
When planning your ride, be aware that while officially rated moderate, the trail can present a greater challenge due to overgrown sections and numerous downed trees. These conditions might require you to carry your bike in places, impacting your overall ride time. Always check local conditions before you head out to ensure a smoother experience on the trail.
As you ride, keep an eye out for small streams and waterfalls, adding to the natural beauty of the area. You can also spot the Wynoochee Dam, a notable landmark along the route. The remote outdoor setting means you might even encounter Roosevelt Elk, making for a memorable ride in the Olympic National Forest.
Details
Informations
Elevation 240 m
Yes, a Recreation Pass (such as a Northwest Forest Pass or America the Beautiful Pass) is generally required for parking and accessing many recreational sites within the Olympic National Forest, which surrounds Wynoochee Dam and Lake. It's advisable to check the official Olympic National Forest website for the most current permit requirements before your visit.
While the 16-mile Wynoochee Lake Shore Trail is a moderate challenge, there are shorter, less strenuous options. Consider exploring the immediate area around Coho Campground or the day-use picnic areas for easier, flatter paths suitable for beginners. These offer scenic views without significant elevation gain.
Yes, the Wynoochee Dam area and most trails within the Olympic National Forest are dog-friendly. However, dogs must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all visitors. Please remember to pack out all pet waste.
Coho Campground, managed by the Olympic National Forest, is located upstream from the dam and offers sites for tents, trailers, and motor homes, complete with amenities like running water, restrooms, fire pits, and picnic tables. Walk-in tent campsites and yurts are also available. For other accommodation, you would need to look in nearby towns like Montesano or Aberdeen, approximately 28 miles away.
Access to the dam itself has been restricted since September 11, 2001, for security reasons. However, tours can sometimes be arranged by appointment. For specific information on tours, it's best to contact the city of Aberdeen, which owns the dam, or Tacoma Power, which operates the hydroelectric plant.
The entire area offers stunning photographic opportunities, especially during sunrise and sunset. Excellent viewpoints can be found along the Wynoochee Lake Shore Trail, offering panoramic views of the lake and surrounding forests. The areas near Maidenhair Falls and Wynoochee Falls also provide picturesque settings with cascading water and lush greenery.
No, there are no cafes or pubs directly at Wynoochee Dam or Wynoochee Lake. The area is quite remote, emphasizing its natural beauty and disconnection from urban distractions. Visitors should plan to bring their own food and drinks. The nearest services would be in Montesano or Aberdeen.
The weather at Wynoochee Dam, located in the foothills of the Olympic Mountains, can be variable. Summers are generally mild and pleasant, ideal for hiking and water activities. Fall brings cooler temperatures and vibrant foliage. Winters are typically wet and can include snow, especially at higher elevations, which can make some trails challenging or inaccessible. Always check the local weather forecast before visiting.
The Wynoochee Dam area is rich in wildlife. Visitors might spot deer, elk, various bird species, and smaller mammals. The Wynoochee River below the dam is known for salmon and steelhead, and a fish collection facility operates downstream to aid their migration. Keep an eye out for diverse birdlife around the lake and in the surrounding forests.
Wynoochee Lake is suitable for swimming, and Tacoma Power operates a designated day-use picnic and swimming area along the shore closest to the dam. While swimming in the river is possible, caution is advised due to currents and varying water levels, especially below the dam. Always assess conditions and prioritize safety.
The Wynoochee Lake Shore Trail is a 16-mile (26 km) loop around Wynoochee Lake. While specific elevation gain figures can vary, it is generally considered to have a moderate difficulty level with rolling terrain rather than steep, sustained climbs, making it accessible for hikers and mountain bikers with a reasonable fitness level.