Natural Bridge Falls
Posted by: 
Team JSG
N 45° 32.845 W 110° 12.426
12T E 561894 N 5044070
The Boulder River enters a narrow, steep-walled chasm, then drops about 100' into a pool from which it flows into another steep-walled canyon.
Waymark Code: WM6VH
Location: Montana, United States
Date Posted: 01/30/2006
Views: 41
During high water in the spring and early summer, this is a typical plunge waterfall. But during low flow the river disappears into cracks and holes in the limestone rocks and emerges far below. The outflow canyon has massive limestone blocks teetering along the walls. During low water, all of the river may disappear below ground rather than flowing through the canyon.
The falls got its name from a natural rock bridge, under which the river flowed during low water, until it collapsed in July 1988.
Type: Plunge
Watercourse: Boulder River
Waterfall Height: 100
Viewpoint: Top
Path Up and Down: None
Walk Behind: Not at all
Parking Coordinates: Not Listed
Seasonality: Not listed
Seasons of Best Flow: Not listed
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