No Name Lake

Overview

This is a mellow-to-moderate alpine outing to a tranquil, aqua-green lake tucked beneath Pumpelly Pillar and Mount Helen in the Two Medicine area. From the North Shore Trailhead, it’s an out-and-back of about 9.7 miles total with roughly 1,300 feet of gain. The payoff is a quiet basin, a small pebbly beach that begs for a quick dip, and big Two Medicine views along the approach. It’s less of a circus than many park headliners—still popular, but usually calmer.

Route options

• Standard route: Start at the North Shore Trailhead near the campground, follow the Dawson Pass Trail, then a short signed spur to the lake and its backcountry campground. Expect a steeper set of switchbacks mid-climb, then an easier traverse to the lake turnoff. Total: ~9.7 miles and ~1,300 feet of gain.
• Boat-shortcut option: Take the Two Medicine boat to the west-end dock to cut mileage. From there, a brief boardwalk and easy connectors link you to the Dawson Pass Trail. Round trip becomes roughly 5.4 miles with ~900 feet of gain, still finishing on the same short spur to the shoreline. If you rely on the boat, plan around limited afternoon return times.

Best time to hike

August is the sweet spot for clear trails and dry feet in this high country. Early season (May–June) can bring mud, lingering snow at higher elevations, and fast, cold water at unbridged crossings; even in July, snow patches can linger where an ice axe or traction may be prudent. Autumn is gorgeous but comes with heightened bear activity as days shorten. Winter travel isn’t recommended. Start early for cooler temps, calmer winds, easier parking, and to sidestep any boat-return bottlenecks.

What you’ll see

The approach frames the sheer walls of Pumpelly Pillar, opening to a cirque lake that often glows turquoise-green early season. Moose favor the marshy sections and boardwalk approach near the boat dock, and mountain goats sometimes cool off on snow patches high above. This is prime bear country, and huckleberry stretches along the Dawson Pass Trail make it especially so. Geology-minded hikers can read the landscape’s long story—ancient Belt Supergroup sediments (“silt”), later mountain-building (“tilt”), the Lewis thrust faulting that shoved older rocks over younger (“slide”), and the Ice Age carving of cirques and U-shaped valleys (“glide”).

Tips and logistics

• Backcountry camping: A designated lakeside campground (about three tent sites) and a pit toilet sit just beyond the beach—permits required through the park’s backcountry system.
• Essentials: Carry bear spray and know how to use it; make noise in brushy/huckleberry sections. Bugs can be fierce on warm, calm days—bring repellent. Cell service is spotty to nonexistent, so download maps. Trekking poles help on the switchbacks and the descent.
• Nice add-ons: If you’ve got time and legs, consider short detours to Twin Falls or Upper Two Medicine Lake off the main corridor.

Bottom line: A rewarding, lower-key Two Medicine classic. The boat option makes it approachable for most hikers; the full walk adds workout and views without big crowds.