Patuxent Research Refuge
12,800-acre USFWS research refuge between DC and Baltimore. Leashed dogs on most trails (NOT National Wildlife Visitor Center loop). | 10901 Scarlet Tanager Loop, Laurel, MD 20708 | 12,800 acres | 20 miles of trails | Source:
Dog Parks Hub: Patuxent Research Refuge

Patuxent Research Refuge
12,800-acre USFWS research refuge between DC and Baltimore. Leashed dogs on most trails (NOT National Wildlife Visitor Center loop). | 10901 Scarlet Tanager Loop, Laurel, MD 20708 | 12,800 acres | 20 miles of trails | Source:
preserve
Dog Parks Hub