Brunswick – Antietam Aqueduct loop from Boonsboro

Bike touring routes & trails

Brunswick – Antietam Aqueduct loop from Boonsboro

Hard

4.9

(8597)

8,598

riders

Brunswick – Antietam Aqueduct loop from Boonsboro

06:38

89.2km

620m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 29, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Chesapeake and Ohio Canal National Historical Park

Waypoints

Start point

Parking

Get Directions

26.6 km

Chesapeake & Ohio Canal National Historical Park Lock 34

Highlight • Historical Site

28.1 km

Harpers Ferry Tunnel and Railroad Bridges

Highlight • Bridge

From here, you can look up at the West Portal of the Harpers Ferry Tunnel. The tunnel is part of the B & O Railroad Potomac River Crossing, which is …

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28.2 km

Staircase and bridge from trail to Harper's Ferry

Highlight • Bridge

to get from trail to Harper's Ferry, you have to go up these stairs. There are bike racks at the base, or you carry your bike up with you

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28.8 km

View of Potomac River Rapids (C&O Canal Towpath)

Highlight • Viewpoint

One of my favorite rides! The trail is well maintained and smooth. So many spots to rest and take breathtaking pics

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37.7 km

Brunswick

Highlight • Settlement

The vibrant city of Brunswick is located on the north bank of the Potomac River in Frederick County.

The city is known for its railway and canal heritage, vintage homes, independent shops and eateries and the Brunswick Heritage Museum.

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38.6 km

Chesapeake and Ohio Canal Trail

Highlight (Segment) • Cycleway

The Chesapeake and Ohio Canal Trail is one of the East Coast's premier bicycle pathways. It follows the abandoned Chesapeake and Ohio Canal and runs from Washington, DC, to Cumberland, Maryland.

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50.9 km

Huckleberry Hill Campsite

Highlight • Rest Area

nice large free Primitive campsite near Harper's Ferry

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61.5 km

Antietam Aqueduct

Highlight • Bridge

The Antietam Aqueduct, located at mile 69.4 of the C&O Canal Towpath, is a three-arch stone aqueduct that once carried the canal over Antietam Creek. Built in 1834, it is …

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