Glacier National Park · Montana

Boulder Pass

30 mi of trail, end to end · about 2,500 ft of climbing · 6,400 ft of descent · 4,011 ft–7,501 ft · earth surface · trail class Developed · highest level of maintenance, moderate to high use

Campgrounds

7,287 ft 4,386 ft · 5.1 mi high 7,321 ft

Along the way HAWKSBILL HEAD KINTLA LAKE KINTLA LAKE LAKE JANET UPPER KINTLA LAKE

Trailheads Boulder Pass 4,075 ft Drive there · Boulder Pass 4,017 ft Drive there · Kintla Lake Head (Boat) 4,021 ft Drive there

On the parks map

All 148 trails in Glacier National ParkFind a trailOn the parks mapPark on nps.gov

About this trail's facts

The lines are the National Park Service's public trails layer, the trailheads and the waterfalls, views, peaks and historic places along them the Service's public points of interest, read 2026-10-16 and simplified for the map; the length is the line's, end to end. The write-ups are the Service's own "things to do" text, unedited. Heights come from USGS 3DEP through Terrain Tiles on AWS (Mapzen/Tilezen), read along each line and rounded; a short trail on steep ground can be off by a few tens of feet. Closures change: check the park's own site before you go.