Lake/River WA

WANAPUM LAKE

Discover Wanapum Lake, nestled in central WA. Swim, hike, and explore this natural oasis with stunning cliffs and rich cultural history.

Free
Access
Unofficial
Status
Very confident
Confidence
Wanapum Lake (Columbia River)
Water Body

Location Details

Nearby Towns
ELLENSBURG, YAKIMA
Coordinates
46.91659, -119.95171

Discover Wanapum Lake: A Hidden Gem in Central Washington

What Makes Wanapum Lake Unique?

Nestled in the heart of central Washington, Wanapum Lake offers an enchanting escape for swimmers and outdoor enthusiasts alike. This reservoir, formed by the Columbia River, lies a short drive from the towns of Ellensburg and Yakima. Its creation in 1963, following the construction of Wanapum Dam, brought new life to the region. Named for the Wanapum people, the lake carries a deep cultural resonance, embodying the rich history and heritage of the native tribes who once thrived along the Columbia River's shores.

Best Time to Visit Wanapum Lake for Swimming and Hiking

Seasonal variations bring unique charms to Wanapum Lake. Summer, particularly from June to August, is the most popular time for swimming, with warm air temperatures and comfortably cool water. Spring brings lush greenery to the hiking trail and vibrant wildflowers that dot the landscape, making it a prime time for photographers. Autumn, with its crisp air and golden hues, offers a quieter experience, perfect for those seeking solitude. Winter transforms the area into a stark, tranquil beauty, though swimming is not recommended during colder months.

Exploring Wanapum Lake’s Geology and Scenic Trails

Geologically, Wanapum Lake is a marvel. The sheer cliffs surrounding the swimming cove at Sand Hollow County Recreation Site are sculpted by millennia of erosion, creating dramatic rock faces that tower over the water. The lake itself stretches upstream to the Rock Island Dam, making it one of the Columbia River’s larger reservoirs. The half-mile trail leading to the hidden swimming cove offers its own allure, winding along the lake’s edge and presenting sweeping views of the surrounding cliffs and water.

Wildlife and Nature at Wanapum Lake

Wildlife enthusiasts will find the region teeming with activity. The cliffs and surrounding areas are home to birds of prey such as hawks and eagles, while smaller birds, including swallows, dart along the water’s edge. Deer and other mammals are often spotted in the distance, adding to the sense of connection with nature. Plant life includes native grasses and hardy shrubs that thrive in the semi-arid environment, with occasional bursts of color from wildflowers in the spring.

Safety Tips for Your Visit to Wanapum Lake

Safety is key when visiting Wanapum Lake. The hike to the swimming cove is manageable but requires sturdy footwear, as the trail can be uneven. Swimmers should be mindful of currents and avoid venturing too far from the shore. Personal flotation devices are recommended for weaker swimmers, especially given the lake's depth near the cliffs. As always, practicing Leave No Trace principles ensures the preservation of this pristine environment for generations to come.

Nearby Attractions and Activities Around Wanapum Lake

For those seeking nearby attractions, Wanapum State Park across the lake offers developed camping facilities and additional hiking trails. Ellensburg, with its charming downtown and historic architecture, is just a short drive away, as is Yakima, known for its wineries and vibrant cultural scene. While Wanapum Lake remains largely untouched by modern development, visitors should plan ahead, bringing everything they need for a comfortable outing. The primitive camping area at Sand Hollow County Recreation Site provides a rustic overnight experience for those looking to extend their stay, while Wanapum State Park offers a more structured camping option.

Photography Opportunities at Wanapum Lake

Photography opportunities abound at Wanapum Lake. The interplay of sunlight on the cliffs, the shimmering water, and the expansive views of the Columbia River offer endless chances for breathtaking shots. Early morning and late afternoon provide the most dramatic lighting, with shadows casting intricate patterns across the rock faces. For those with drones, the aerial perspective showcases the lake’s scale and natural beauty in a way that’s truly awe-inspiring.

Getting There

Directions to Wanapum Lake Swimming Hole

Starting Point: Ellensburg, WA

  1. Begin by taking Interstate 90 (I-90) east from Ellensburg.
  2. Continue on I-90 for approximately 30 miles until you reach the town of Vantage.
  3. Cross the Columbia River via the Vantage Bridge on I-90.
  4. Shortly after crossing the bridge, take Exit 137 for State Route 26 (RT 26) east toward Royal City and Othello.
  5. Merge onto RT 26 and continue for about 1 mile.
  6. Turn right (south) onto State Route 243 (RT 243), which runs along the east side of Wanapum Lake.
  7. Drive for approximately 0.3 miles on RT 243, then turn right (west) into a gravel parking area located next to the lake.

Parking and Trail Information

  • The gravel parking area is unpaved but spacious enough for several vehicles.
  • From the parking area, locate the trailhead leading along the lake. The trail is approximately 0.5 miles long and follows the shoreline.
  • The trail ends at a secluded swimming cove nestled against the cliffs. This area is ideal for swimming and relaxing.

Additional Notes

  • The trail is relatively easy to navigate but may have uneven terrain, so sturdy footwear is recommended.
  • Be mindful of your surroundings and pack out any trash to help preserve the natural beauty of the area.
  • There are no restroom facilities at the site, so plan accordingly.

Enjoy your visit to Wanapum Lake!

Highlights

Columbia River reservoir with stunning cliffs
Half-mile hike to secluded swimming cove
Rich cultural history of the Wanapum people
Seasonal wildlife and vibrant plant life
Rustic primitive camping available

Unique Features

Sheltered swimming cove surrounded by dramatic cliffs
Historical significance tied to the Wanapum people
Unspoiled natural environment with no facilities
Stunning photography opportunities at sunrise and sunset

Location & Area Map

Safety Information

Important Safety Tips

Wear sturdy footwear for the hike, be cautious of uneven trails, and swim close to the shore to avoid strong currents. Bring ample water and sunscreen, and use personal flotation devices if needed.

Cultural & Historical Context

Historical Background

The lake is named after the Wanapum people, whose history and legacy are deeply connected to the Columbia River. Their stories and resilience add a profound layer of significance to the area.

Photography Guide

Photo Opportunities

Capture the interplay of light and shadow on the cliffs during early morning or late afternoon. Drone photography reveals the stunning scale of the lake and surrounding terrain.

Conservation & Ethics

Protect This Place

Visitors are encouraged to follow Leave No Trace principles to protect the pristine environment. Avoid littering and stay on designated trails to minimize impact on local wildlife and vegetation.

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Visit Information

Best Time to Visit
Summer months, from June to August, are ideal for swimming, while spring offers lush greenery and wildflowers for hikers and photographers. Autumn provides a tranquil escape with golden foliage, and winter showcases the stark beauty of the cliffs.
Difficulty Level
Moderate. The half-mile hike to the swimming cove requires sturdy footwear and a basic level of fitness, as the trail can be uneven.
Fee
None
Facilities
No facilities are available at the site. Primitive walk-in camping is permitted, while Wanapum State Park offers developed camping options across the lake.
Activities
Swimming

Camping Information

Primitive walk-in camping at the site. Developed campground across the lake at Wanapum State Park

Nearby Attractions

  • Wanapum State Park with developed camping facilities
  • Historic downtown Ellensburg
  • Yakima wine country and cultural landmarks
🌧️

Weather Conditions

Current conditions at WANAPUM LAKE

67°F
Temperature
51%
Humidity
Conditions:Heavy Rain
Wind:45° 11 mph
Visibility:0 mi

Forecast

Today
Showers And Thunderstorms Likely
77°F
7 mphS
Tonight
Chance Rain Showers
61°F
2 to 7 mphNW
Tuesday
Chance Rain Showers
84°F
2 to 7 mphSW
Data: National Weather Service
Detailed Forecast →

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