Seneca Historic District

 NRHP - National Register of Historic Places, historic district

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John Garrett laid out a town called Newport here in 1797 and gave away lots as prizes in a lottery, but a town did not actually appear until after 1830, when the C&O Canal was completed from Georgetown to Seneca Creek. The town was called Seneca. A grist mill was built before 1780 where River Road crosses Seneca Creek and was known in the early 1800’s as Milford’s Mill. In 1855, the mill was purchased by John Darby and his son Upton Darby. Wilson Tschiffely bought the mill in 1902 and it was later operated by his sons Thomas and Worthington. It ceased operation about 1930. Seneca was a thriving town with several warehouses and shops, a stonecutting mill, and a hotel—The Riverside Inn. There were many vacation homes built here in the late 19th and early 20th centuries.

Today, the 3,850-acre area considered the historic area of Seneca is listed on the National Register of Historic Places (NRHP). Boundaries of the polygon should be considered approximate.

www.hmdb.org/marker.asp?marker=764