Fees & Reservations
There is no entrance fee at the Lyndon Baines Johnson Memorial Grove on the Potomac. Picnic tables and parking are available on a first come, first served basis.
Fees for Activities
Most ranger-led programs at the park are free.
Please contact the Columbia Island Marina (202-347-0173) for boat rental, launch, or storage fees.
Permits are required for certain activities within the park such as: