Located in DC.
In the 1930s, landscape architects transformed Mason’s Island from neglected, overgrown farmland into Theodore Roosevelt Island, a memorial to America’s 26th president. They conceived a “real forest” designed to mimic the natural forest that once covered the island. Today miles of trails through wooded uplands and…
Use this page to check live NPS alerts, weather, things to do, events, fees, campgrounds, and build a day-by-day itinerary with Trailie.
Loading park…
Loading park…

Trailie
Tell Trailie your dates, pace, and interests — get a day-by-day Theodore Roosevelt Island plan with hikes, drives, and must-see stops.
Explore this park
In the 1930s, landscape architects transformed Mason’s Island from neglected, overgrown farmland into Theodore Roosevelt Island, a memorial to America’s 26th president. They conceived a “real forest” designed to mimic the natural forest that once covered the island. Today miles of trails through wooded uplands and swampy bottomlands honor the legacy of a great outdoorsman and conservationist.
Outdoor trails and memorial plaza subject to weather for Washington, D.C. and Arlington, VA.
Theodore Roosevelt Island Trails and Parking Lot
The park is open every day from 6:00 AM to 10:00 PM.
Common questions
The summary above covers timing and highlights. These go deeper on reservations, crowds, and logistics.
Reservation rules vary by season and activity for Theodore Roosevelt Island. See Overview on this page for fees, timed entry, and campground details before you travel.