Tiber Creek, Underground tributary of Potomac River in Washington, D.C.
Tiber Creek flows beneath Constitution Avenue through a network of tunnels, forming part of Washington's infrastructure and drainage system.
Originally named Goose Creek, settler Francis Pope renamed it Tiber Creek in the 1600s while establishing his 400-acre farmstead along its banks.
The creek's transformation from open waterway to underground channel represents the evolution of urban development in the United States capital.
The Department of Environment monitors this waterway as part of Washington's stormwater management system to prevent flooding in government buildings.
Before channelization in 1815, the creek provided local anglers with shad, herring, pike, catfish, and perch near Pennsylvania Avenue.
Location: Washington, D.C.
Elevation above the sea: 4 m
GPS coordinates: 38.89056,-77.03917
Latest update: March 6, 2025 19:54
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