Over 50 miles long, this deep, glacial lake attracts boaters, swimmers, and wine lovers—with direct access to North Cascades National Park.

Follow the Diablo Lake Trail up and across talus slopes on the flanks of Sourdough Mountain to impressive cascading waterfalls and stunning views of Ross Lake and Colonial, Pyramid, Davis Peaks, as well as Jack Mountain.
The state's largest urban lake, situated in Seattle, offering boating, paddleboarding, city parks, and diverse recreation.
Set beneath two of Washington’s tallest peaks, Colchuck Lake is an alpine gem. It is a larger cousin to the nearby fabled Enchantment Lakes and offers many of the same payoffs – including groves of larches on its far shore – but can be reached with less than half the effort.
This large, recreational lake is great for renting an electric boat, kayaking and admiring the Seattle skyline. The new South Lake Union Park is open and easily accessible from downtown by Streetcar.
Glacier-fed lake at the edge of Wenatchee National Forest; great for boating, swimming, and camping in the state park.