Olmstead Island

Here, near lock 17, is another worthwhile diversion along the towpath. Follow an easy quarter mile walkway along boardwalks and on a series of bridges over a terraced floodplain to Olmstead Island. You’ll find fantastic panoramas of Great Falls and Mather Gorge from the Olmstead Island overlook, but there’s more to the island than the views.

The island’s location, perched in the middle of the Potomac River, is responsible for giving the island one of the most biologically diverse habitats within the whole National Park system. Potomac River floods constantly change the island as new seeds are washed in from upstream and debris piles are moved downstream.

Olmstead Island is named for Frederick Law Olmstead, Jr., a landscape architect and preservationist. The trail is handicapped accessible, but dogs are not permitted.

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Mile Marker: 14.4

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