Lock No. 27
Also known as Johnny Cake Lock
About Lock No. 27
Lock No. 27 was added to the National Register of Historic Places on Dec 11, 1979. It was among the first 7 of Boston Township’s 19 listings, with five others the same day. The Register lists it for its commerce, engineering, transportation and exploration/settlement, at the state level. It was listed as part of Ohio and Erie Canal TR. Two more Register listings are within a quarter mile.
PDFRead the original nominationThe form that put it on the Register, with its history, photos and a map · 4 MB · National Archives↗Make it a walk: 4 landmarks in about 15 minutes
About 400 ft. east of intersection of Riverview and Everett Rds., in Boston Township, OH · about 0.5 miles on foot, as the crow flies
8 more Register listings within 2 miles
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Memories of Lock No. 27
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Lock No. 27
Is Lock No. 27 on the National Register of Historic Places?
Yes. It was added on Dec 11, 1979 (Register number 79000303).
Is Lock No. 27 a National Historic Landmark?
No. It is on the National Register; Ohio has 73 National Historic Landmarks. The nearest is Stan Hywet Hall-Frank A. Seiberling House, 5.9 miles away.
Can you visit Lock No. 27?
Our record doesn’t say whether it is open to visitors. Many listed buildings are private, so it may only be seen from the street.
Where can I read the history of Lock No. 27?
In its National Register nomination, the form that put it on the Register: a 4 MB PDF at the National Archives, linked on this page.
Sources: National Park Service, National Register of Historic Places (05/22/2026) · National Archives catalog record 71986304 · Wikidata. Map tiles © OpenStreetMap contributors.