Minnestima Lakes

Overview

Perched just below Sentinel Pass at the top of Larch Valley, Minnestima Lakes (often spelled Minnestimma) are two small alpine ponds wrapped in meadows and larches with Mount Temple and the Ten Peaks looming around you. They’re a natural pause point near the end of the Larch Valley trail before the final push to the pass.

What makes it special

• Fall is the headline act: the larches turn blazing gold in late September, and the contrast with the blue-green water and grey peaks is unreal.
• The setting is pure Rockies—classic glacial cirque, open alpine meadows, and panoramic Ten Peaks vistas.
• It’s the gateway to Sentinel Pass, one of the park’s most renowned high passes, just a short, well-graded set of switchbacks beyond the lakes.

What to expect

• Two small, clear lakes in a broad alpine basin with sweeping views of Mount Temple, Pinnacle Mountain, and the Valley of the Ten Peaks.
• In summer, wildflowers and whistling marmots; in fall, golden larch forests leading up through Larch Valley.
• Don’t come only for the lakes—they’re modest; the scenery around them and the easy extension to Sentinel Pass are the real payoff.

Wildlife

This corridor sees frequent bear activity (both black and grizzly). Marmots, pikas, ground squirrels, and alpine birds are commonly spotted along the approach. Parks Canada has been known to require hiking in groups of four or more here during bear season.

Logistics and access

• Access is on foot from Moraine Lake via the Larch Valley trail; it’s roughly 5 km to reach the lakes area.
• There are no facilities at the lakes: no toilets, water taps, shelters, or tables. The nearest toilets are back at the Moraine Lake trailhead.
• Weather turns quickly at this elevation—wind and cold are common; early October can bring ice on the lakes.

Best time to visit

• Late September is prime for golden larches, but expect heavy crowds and limited Moraine Lake access—arrive early or book a shuttle.
• Summer offers stable footing and flowers; continuing to Sentinel Pass is often straightforward in good conditions.
• Early October can still be beautiful but may bring freeze-ups; pack layers and be ready for abrupt changes.

Make the most of it

• Treat the lakes as a snack-and-photo stop, then continue a few hundred meters up to Sentinel Pass for the grandstand view.
• Travel prepared for bear country and heed any posted group-of-four requirements.
• Bring all food, water, and layers—you won’t find services beyond Moraine Lake.