Guana Tolomato Matanzas (GTM) National Estuarine Research Reserve is the newest reserve in the national system. It is geographically separated into a northern section, where the Tolomato and Guana rivers meet the Atlantic Ocean, and a southern section at the mouth of the Matanzas River.
Map + Directions
Basic Directions
The reserve is divided by the city of St. Augustine, Fla. It stretches approximately 30 miles north and 30 miles south of city, in St. Johns and Flagler counties.
We offer a compact version of Go-Florida for mobile users, allowing you to access just the information you need on the road. Of course, you can still use the full version of Go-Florida on your mobile device just as you can on your desktop.
