Hammer Creek

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Hammer Creek
Erb's Covered Bridge Side View 3000px.jpg
Erb's Covered Bridge over Hammer Creek in Lancaster County, Pennsylvania
Origin Cornwall, Pennsylvania
Mouth Cocalico Creek at Rothsville, Pennsylvania
Basin countries Lebanon and Lancaster Counties, Pennsylvania, United States[1]
Length 19.2 miles (30.9 km)
Source elevation 308 feet (94 m)[1]
Basin area 40 square miles (100 km2)

Hammer Creek[1] is a 19.2-mile-long (30.9 km)[2] tributary of Cocalico Creek in Lebanon and Lancaster Counties, Pennsylvania in the United States.

Hammer Creek is dammed to form Speedwell Forge Lake below joining the Cocalico Creek approximate with Middle Creek near the village of Rothsville.

Variant names[edit]

According to the Geographic Names Information System, Hammer Creek has also been known historically as Hammar Creek.[1]


See also[edit]


  1. ^ a b c d Geographic Names Information System. "GNIS entry for Hammer Creek (Feature ID # 1198070)". Retrieved 2011-06-15. 
  2. ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed August 8, 2011

Coordinates: 40°09′41″N 76°13′57″W / 40.16139°N 76.23250°W / 40.16139; -76.23250