Patuxent Tidewater Land Trust is a nonprofit organization dedicated to conserving, preserving and protecting land and natural resources throughout the five tidal counties in which the Patuxent River runs.  To accomplish our mission, we partner with individuals, academic institutions and government agencies, as well as community groups, land trusts and other nonprofits.

The southern Maryland region is a landscape of tremendous variety. The Patuxent River itself,the longest entirely within Maryland, begins in the highlands at Parr’s Ridge, at the meeting of Howard and Montgomery counties, then flows 110 miles to the Chesapeake Bay at Solomons Island. The watershed comprises 930 square miles. Much of the upper watershed is densely developed, but the tidal portion largely retains its rural character in the face of increasing development pressure. Beginning at head of tide near the Jug Bay Wetlands in Anne Arundel and Prince George’s Counties, and extending through Charles, St Mary’s and Calvert counties, broad expanses of flat, well-drained coastal plain have for centuries supported small family farms. Crabs, oysters and fish in the estuary still represent a way of living to many watermen in the region. Here, too, marshes,embayments, winding creeks and woods shelter diverse wildlife, while also protecting the water quality of the Bay.

Farms, forests, wetlands, fields and waterways in this region make up a unique, beautiful and economically valuable landscape. These precious resources are our inheritance and our responsibility.

With over 4500 acres preserved so far, through purchase or donation of conservation easements, land and development rights, we are working to protect the biodiversity, natural resources, agricultural economy and cultural heritage of southern Maryland for present and future generations.

If you are interested in volunteering with the PTLT, please send an email with your contact information to

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