Rainy Lake

Overview

Rainy Lake is the quintessential easy win: a short, paved walk to a glassy subalpine lake framed by cliffs and a tall, ribboning waterfall. It’s a crowd-pleaser for families and anyone short on time who still wants a classic Cascades scene.

The Walk

It’s about 2.0 miles round trip with roughly 70 feet of gentle gain on smooth asphalt. Benches dot the route, interpretive signs pop up here and there, and the path ends at a small viewing area right on the lake. Expect a shady forest stroll with occasional peeks at creeks and cascades on the way.

What Makes It Special

The payoff is big for the effort: crystal-clear, emerald water and mirrored mountain reflections, with a dramatic waterfall pouring into the far shore. On calm days, the reflections are photogenic; on warm days, hardy folks sometimes wade or take a brisk dip.

Logistics and Fees

Trailhead parking is at the Rainy Pass Picnic Area along SR 20, shared with the Maple Pass/Heather Pass and Lake Ann routes—so it fills quickly on summer and fall weekends. Restrooms and picnic tables are at the trailhead. A Northwest Forest Pass (or on-site day-use payment) is required to park. Occasional short-term parking lot repairs/closures do happen; check for updates before you go.

Seasonal Conditions

Rainy Pass sits around 4,800 feet, so it runs cooler than the valleys and can hold snow late into spring and return to wintry vibes by October. SR 20 typically closes in winter—plan this for the snow-free season and always confirm road status.

Wildlife

Black bears are reported in the area. Keep dogs leashed, give wildlife space, and secure all food. You may spot birds working the shoreline and the usual subalpine forest inhabitants along the way.

Geology Snapshot

Rainy Lake occupies a glacially carved basin typical of the North Cascades—think overdeepened rock bowl with steep, resistant walls. That glacial legacy is why the lake sits so abruptly at the foot of cliffs with a hanging-valley-style waterfall.

Best Time to Visit

• When: Early morning on weekends or midweek anytime to dodge parking hassles.
• Light: Late morning to early afternoon often gives the best illumination on the lake; many photographers like to be there before about 2 PM.
• Season: Summer through early fall for snow-free, straightforward walking; shoulder seasons can be lovely but chilly.

Is It Worth It?

Absolutely—especially if you value maximum scenery per minute of effort. If you’re after a bigger hike, go do Maple Pass; but even then, tack on Rainy Lake for a serene cooldown lap.