Due to increased security measures, portions of Catoctin Mountain Park west of Thurmont will be closed Friday from about 6 a.m. to 7 p.m., the National Park Service said.
First lady Michelle Obama is also expected to attend the gathering at the presidential retreat in the Maryland mountains near Thurmont, the wire service said.
Park Central Road will be closed between the Camp Misty Mount Entrance and Camp Greentop. Reservations for Poplar Grove, Camp Misty Mount, Camp Greentop and Camp Round Meadow will be honored, according to a park service news release.
Hikers may access trails to Thurmont Vista, Wolf Rock, and Chimney Rock, as well as the Falls Nature Trail from the Visitor Center Trailheads. The Catoctin National Recreation Trail will be open, the release said.
Trails to Blue Ridge Summit Overlook and Hog Rock will not be available during this closure, but Manahan Road and trails east of Manahan Road will be open for use, the release said.
Picnickers may use the Chestnut picnic area.
Direct questions about closures to the Catoctin Mountain Park Visitor Center at 301-663-9388 or park headquarters at 301-663-9330.
The visitor center is located three miles west of Thurmont, Md., on Md. 77 and is open Friday through Sunday.