Paintbrush–Cascade Canyon Loop

Overview

This is the park’s full-value alpine tour: a demanding loop that stitches together String Lake, Paintbrush Canyon, the 10,700-foot Paintbrush Divide, Lake Solitude, and the length of Cascade Canyon. Expect roughly 19.5 miles total (loop) with around 4,000–4,600 feet of climbing, high elevation, and long hours on rugged terrain. It’s strenuous, spectacular, and best for fit, experienced hikers or backpackers who want the Tetons’ greatest hits in one big day or an overnight.

Route Snapshot

Start at String Lake Trailhead and head into Paintbrush Canyon, where steady climbing through forest and huckleberry patches gives way to dramatic rock walls and big alpine views. A short spur to Holly Lake is a worthy detour for a scenic rest. From there, the grade steepens toward Paintbrush Divide—expect rocky, sometimes loose footing, and lingering snow or ice early in the season. The views from the divide sprawl across the range. Drop to Lake Solitude (steep, with sections of loose scree), then cruise out through Cascade Canyon, where the trail is smoother, the Grand Teton looms ahead, and moose sightings are common. Near Jenny Lake, some hikers add the quick spur to Inspiration Point/Hidden Falls (adds about 0.3 mile) before returning to String Lake.

Difficulty and Conditions

This loop is hard, both for the mileage and the altitude. Above treeline, you’ll navigate rocky/talus sections and potentially snowfields outside mid-summer. Early season conditions around Paintbrush Divide can be icy and hazardous, and traction or even an ice axe may be warranted for prepared parties. Weather turns fast up high—layers are essential.

Direction That Works

Go counterclockwise: ascend Paintbrush Canyon and descend Cascade Canyon. Climbing the steeper, looser side to Paintbrush Divide is more controlled and generally safer than trying to downclimb it late in a long day.

Wildlife and What to Look For

Moose are frequently seen in Cascade Canyon; deer and fox are possible, and bears can be present in forested stretches—carry bear spray and give wildlife plenty of space. Alpine lakes, moraines, and U-shaped canyons tell the story of past glaciation, with summer wildflowers and standout fall color in Paintbrush Canyon.

Best Time to Hike

Mid-July through September offers the most reliable conditions—earlier than that, snow on the divide can be a trip-ender. Summer brings wildflowers; early fall often lights up Paintbrush Canyon with color. Start early for parking and to bank time for the crux above treeline. Expect company in peak season; it’s popular for both long day hikes and backpacking.

Tips

• Arrive early for String Lake parking.
• Bring layers, sun protection, and plenty of calories; treat water from natural sources.
• Trekking poles help on steep, loose sections; traction may be needed if you’re going early season.
• Navigation is straightforward but carry a map and note junctions (like the Holly Lake spur).
• Day hikes require no permit; backpacking requires a backcountry permit for designated zones.
• No pets on this trail.