st marys falls montana

St Marys Falls

St. Mary Falls is a striking display of natural beauty within Glacier National Park, characterized by its two-tiered cascade over iconic red Montana rock, plunging into pools of vibrant blue water that seem to rival the hue of popular sports drinks. This unique coloration of the water is a result of light refraction off the rock flour (fine sediment) suspended in the water, a byproduct of glacial activity grinding against stone. The falls offer an awe-inspiring glimpse into the park’s dynamic geological processes, making it a highlight for visitors seeking the extraordinary in nature.

The Drive

Access the falls via the scenic Going-to-the-Sun Road, requiring a permit during peak season. Parking is available at a roadside pullout with limited space at the trailhead.

The Hike

A 1.4-mile trail leads to the falls, passing St. Mary Lake. Early arrival is recommended due to limited parking, possibly extending your hike through Glacier’s scenic trails.

The Falls

St. Mary Falls features a captivating two-tier cascade into vibrant blue pools, surrounded by Montana’s iconic red rocks, a testament to Glacier’s unique geology.

Don’t Forget

Optimal viewing is in late spring or early summer. A National Park Pass is required for entry, and remember to plan for the Going-to-the-Sun Road permit if visiting during high season.

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