Cabin John Creek, Brook in Montgomery County, United States
Cabin John Creek flows southward through Montgomery County for 10.9 miles, from Rockville to its confluence with the Potomac River.
Land records from 1715 document the waterway as Captain John's Run, with the name gradually transforming to Cabin John Creek over time.
The Friends of Cabin John Creek organization leads community initiatives for watershed preservation through educational programs and environmental monitoring activities.
Visitors can access the waterway via the Cabin John Stream Valley Trail, which extends 8.8 miles parallel to the creek through multiple parks.
The creek passes under the Union Arch Bridge, which carries both MacArthur Boulevard and the Washington Aqueduct across the water course.
Location: Montgomery County
Elevation above the sea: 56 ft
GPS coordinates: 38.96983,-77.14637
Latest update: October 29, 2025 18:35
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