Places We Protect

Pratt and Post Coves Preserve


Osprey in flight
Osprey in flight. © Doug Wechsler

These coves are excellent examples of freshwater tidal marsh.



Why You Should Visit

These coves are excellent examples of freshwater tidal marsh. They provide habitat to two rare plant species, and their extensive mud flats support dense stands of wild rice, making them popular with migratory waterfowl, such as black duck. There is a canoe and kayak launch at this site.

Why TNC Selected This Site

Pratt and Post Coves include pristine freshwater tidal marshes hosting a variety of wildlife.

What TNC Has Done/Is Doing

In 2001 TNC, the state Department of Environmental Protection, and the town of Deep River officially opened a new state-funded boat launch on Pratt Cove.




Dawn to dusk


12 acres

Explore our work in this region

What to See: Plants

Pratt and Post Coves contain 200 adjacent acres of pristine freshwater tidal marsh that include large areas of pickerelweed, arrowleaf, soft-stem bulrush and wild rice. Surrounding these regularly flooded areas are slightly higher natural levees vegetated by cattail, river bulrush and sweet flag.

What to See: Animals

The coves include numerous submerged aquatic plant beds that provide feeding and spawning habitat for fish, including blueback herring, alewife, sea run brown trout, rainbow smelt, white perch and largemouth bass.

Wild rice grows in abundance, attracting many species of migratory birds. A 1983 bird survey identified 48 species at the marshes. Two of the state’s threatened bird species, Coopers hawk and great egret, both visit the marshes. Other species of interest found here include wood duck, green heron, great blue heron, marsh wren, Virginia rail, common snipe, belted kingfisher, osprey, muskrat, deer, snapping turtle, freshwater mussels, and various dragonflies.

Please enjoy your visit to this preserve.  The Nature Conservancy welcomes passive recreation, including hiking, birding, canoeing, nature study and cross-country skiing. 

To ensure those who visit after you are able to enjoy the same experience you have, please remember to stay on designated trails, pack out everything you brought in, and contact our office at: 203 568 6270 or if you notice any problems. 

To maintain the ecological integrity of the preserve, the following activities are not allowed:  collection of plant or animal specimens, camping, fires, fishing, hunting, bicycling, and use of motorized vehicles.  Pets are not allowed on TNC preserves.