Mallows Bay Water Trails

Welcome to Mallows Bay-Potomac River National Marine Sanctuary! These virtual water trails take you through many important parts of the only national marine sanctuary found in a river. Celebrating both the history and ecology of Mallows Bay, the water trails are split into two themes. The Shipwreck Trail takes you on a trip through time to learn the history of the Ghost Fleet. The Ecology Trail shows you how these weapons of war have turned into islands of life, which now support a variety of wildlife.

Safety Information Current Conditions Printed Version Getting There

Mallows Bay EMERGENCY & SAFETY INFORMATION

Due to the location of the park, during an emergency please call the Charles County Sheriff’s Department, they will connect caller with the county 911 services.
The number is 301-932-2222
*Please install this number on your device.

PADDLING SAFETY TIPS

ALWAYS WEAR YOUR LIFE JACKET.
PADDLE WITH OTHERS IF POSSIBLE.
COLD WATER TEMPERATURES ARE HAZARDOUS TO PADDLERS. Paddling is recommended between May and September.
WHEN PADDLING IN WIND, STAY CLOSE TO SHORE.
RESPECT WILDLIFE. Animals and birds should be viewed from a distance.
BEWARE OF HIDDEN WRECKS. It is dangerous to travel through the central shipwreck cluster, especially during high tide when ship remains lie just below the waterline and are invisible to the paddler.