Ontonagon Sandstone and Hills

There is a single factor that can define the majority of the water flowing in Ontonagon County - sandstone. Underneath the red clay soil much of the county is resting on the smooth, grainy rock, defining many of the riverbeds and waterfalls here. The Trap Hills, extending southwest from the copper-bearing Keweenaw Ridge, also create a number of small drops over the volcanic rocks. Most of this county is dominated by the Ontonagon River flowing over the smooth sandstone, a creamy brown flow sluggishly winding a slow way to Lake Superior.

Eroded bank across the river
Closer look at Agate Falls

Agate Falls

on Middle Branch Ontonagon River

Bond Falls

on Middle Branch Ontonagon River
Upper half of the falls

Cascade Falls

on Cascade Creek
Small, gushing waterfall on Cushman Creek

Cushman Falls

on North Branch Cushman Creek
Trickling Gleason Falls

Gleason Falls

on Gleason Creek
Muddy water pouring over shelves of rock

Greenwood Falls

on Big Iron River
Trickling water over the upper falls

Hidden Falls

on Weidman Outlet Creek
Sandstone of Creamy Peanut Butter Slide

Konteko Falls

on Baltimore River
Small drops into the calm water

Little Falls

on Interior Creek
Thin fanning chutes

Little Trap Falls

on Anderson Creek
Cascading drop in the predawn light

Lower Penn Falls

on East Branch Firesteel River
Different view of O Kun de Kun Falls

O Kun De Kun Falls

on Baltimore River

Counties

River Systems

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