Greenstone Falls is a small set of drops on the Little Carp River in the quieter southwest corner of Porcupine Mountains Wilderness State Park, Ontonagon County. It is reached via the Little Carp River Trail, often combined with nearby Overlooked Falls.
Greenstone Falls sits on Little Carp River. It lies in Ontonagon, Michigan. The site is on public land managed by Michigan DNR – Porcupine Mountains Wilderness State Park.
This is a short hike waterfall: reached by a short trail, generally under about a mile each way. The walk in is brief — comfortable shoes are usually all you need. The walk to the main viewpoint runs about 1.8 miles round trip. The nearest town is Ontonagon.
When to go: spring. Water volume swings with the seasons here, strongest after snowmelt or rain and lowest in late summer, so check recent streamflow before you go.
