Field NotesOhio
Upper Falls in the Old Man's Cave gorge, Hocking Hills, with visitors on the rocks

An independent field guide · 365 places

The field guide to outdoor Ohio

Parks and forests, ancient mounds, caves, waterfalls and back roads, with the story behind each place and where to eat and fuel up nearby.
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  • 117parks & forests
  • 64ancient mounds
  • 34waterfalls
  • 40historic sites
  • 33road trips

Old Man's Cave, Hocking Hills · Photo: Rhododendrites, CC BY-SA 4.0

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117 parks in 7 regions

Miami and Erie Canal Scenic Byway

Western Ohio
Scenic byway · Miami County to Allen County
50miles
3stops

A drive of 50 to 54 miles on SR 66 along the old route of the Miami & Erie Canal, with a canal boat ride at Piqua.

Length
50 miles by the state list; 54 in one guide
Route
SR 66 and part of the original route of the canal through Miami and Allen counties
Designated
2000
Peak of the canal
About 1840 to 1860, before railroads replaced it
Best for
Canal towns, locks and a mule-drawn boat ride

The story

The Miami & Erie Canal was an important 19th-century transportation route from Lake Erie to Cincinnati. Its operation peaked between about 1840 and 1860, and the railroads replaced it. The byway follows SR 66 and part of the original canal route through Miami and Allen counties, past canal towns such as Piqua and Delphos and the locks at Lockington, and beside many trails and state parks.

Stops along the way

1 Piqua and the Johnston Farm
A canal boat ride and a museum of Ohio's Native peoples. See the Johnston Farm entry.
Open
2 Lockington Locks
A staircase of canal locks, also on the Buckeye Trail's St. Marys Section. See the Lockington Locks entry.
Open
3 Delphos and Van Wert
A canal town at the Allen County end, also on the Lincoln Highway. See the Lincoln Highway.
Open

Take the stops with you

Load the 3 stops into your maps app to drive between them.

The file holds 3 waypoints and a stop-by-stop route line. Locations are approximate, often a town center, so use the stop notes to find the exact spot. Your maps app chooses the roads between stops, usually the fastest, so follow the byway signs where they differ. The GPX arrives in a zip file; unzip it and open the .gpx in a GPS or hiking app. The CSV imports into Google My Maps.

Where to camp nearby

Lake Loramie State Park
A canal reservoir and camping park.
Open
Grand Lake St. Marys State Park
Ohio's largest inland lake.
Open

Tips

  • The Johnston Farm boat rides run June to August.
  • Combine with the Buckeye Trail's Troy and St. Marys sections.

Distances are the route lengths given by the sources. Confirm road conditions, closures and seasonal hours before you go.

Ohio scenic byways list →

Details last checked 2026-09-22. Confirm hours and prices before you go.

Know a place that belongs here, or spotted something out of date? Email hello@fieldnotesohio.com.