McNary Dam Washington

McNary Dam creates Lake Wallula, one of the most reliable and beginner-friendly paddling destinations on the Columbia River system. This 64-mile reservoir stretches from the dam near Umatilla upstream to the Tri-Cities area, offering paddlers a massive playground of calm water protected from the Columbia's notorious currents and winds. The Washington side launch at McNary Dam provides excellent access to both the main river channel and numerous protected coves and backwater areas. What sets this location apart is the combination of easy water conditions with genuine big river scenery, including basalt cliffs, rolling wheat fields, and excellent wildlife viewing opportunities along the shoreline.

Paddling conditions here are about as forgiving as you'll find on the Columbia. The dam eliminates downstream current, creating lake-like conditions that make navigation predictable and safe for newer paddlers. Wind is your main consideration, typically building from the west in the afternoons during spring and summer. Morning launches usually offer the calmest conditions, with glassy water common before 10 AM. The reservoir's size means you can always find sheltered water even on breezy days by staying close to the lee shores or ducking into side channels. Water levels remain fairly consistent year-round thanks to dam operations, though you might notice minor fluctuations during peak irrigation season in summer.

Kayakers will appreciate the variety here, from easy shoreline exploration perfect for beginners to longer expeditions for those wanting to cover serious distance. The protected waters make this an ideal spot for trying out new boats or working on skills without fighting current. Canoeists often gravitate toward the quieter backwater areas upstream from the dam, where you can spend hours exploring sloughs and side channels. SUP paddlers find excellent conditions near the launch area, especially in the morning calm. For kayak fishing, this section of the Columbia is known for walleye, smallmouth bass, and steelhead. The rocky points and drop-offs near the dam structure can be productive, but pay attention to any restricted areas around the dam itself.

Spring through fall offers the best paddling window, with March through November being the prime season. Spring brings wildflower displays along the shoreline and comfortable temperatures, though afternoon winds can be strong as weather systems move through. Summer provides the most stable weather but also the warmest temperatures, making early morning or evening paddles more comfortable. Fall is arguably the best season here, with mild temperatures, less wind, and excellent water clarity. Winter paddling is possible but comes with cold water temperatures requiring proper gear and experience. Rain is minimal in this high desert climate, but when storms do hit, they can create challenging wind conditions that last for days.

The McNary Dam boat launch is located on the Washington side of the river, accessed via Highway 730. From Umatilla, cross the Columbia on Highway 730 and follow signs to McNary Dam Park. The concrete boat ramp is well-maintained with good parking, though it can get busy with powerboaters on summer weekends. Launch early or consider weekday trips for a quieter experience. The ramp provides easy access to both upstream and downstream areas, though most paddlers head upstream to explore the calmer reservoir sections. Basic restrooms are available at the park, but bring your own water and snacks. Cell coverage is generally good along this section of river, and the proximity to Highway 730 means help is never too far away if needed.