Monocacy Aqueduct – Catoctin Creek Aqueduct loop from Seneca

Monocacy Aqueduct – Catoctin Creek Aqueduct loop from Seneca

Moderate

2.7

(10)

riders

Monocacy Aqueduct – Catoctin Creek Aqueduct loop from Seneca

04:38

93.4km

140m

Gravel riding

Moderate gravel ride. 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: September 24, 2026

Tips

Includes segments that go up or down a series of steps

You may need to carry your bike.

After 261 m for 7 m

After 93.2 km for 7 m

Waypoints

Start point

Parking

Get Directions

287 m

Riley’s lock

Highlight • Monument

Riley’s Lock is a fun, happening place. Every time I pass by it is bustling with activity. There are two row boat clubs along Seneca creek. There are kayak, jet …

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12.6 km

Chisel Branch Primitive Campsite

Highlight • Rest Area

The Chisel Branch Campsite is a hiker-biker campsite named after for a stream that crosses beneath the canal approximately half a mile from the site. Amenities include a chemical toilet, water, picnic table, and grill

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13.2 km

Lockhouse 25

Highlight • Historical Site

This Lockhouse saw the Civil War unfold as the two sides crossed from one side of the river to the other. It can now be rented as a base camp for your cycling excursions in the area.

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27.2 km

Giant maple tree sheltering Lock 26

Highlight • Natural Monument

This amazing tree stands witness over this truly historic site and invites to stop for a picnic.

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29.5 km

Chesapeake and Ohio Canal Trail

Highlight (Segment) • Trail

A lovely gravel and dirt trail that remains in decent condition year round. With the canal on one side, and the river on the other, you are immersed in a lovely landscape with plenty of wildlife to see.

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31.5 km

Monocacy Aqueduct

Highlight • Bridge

This is a lovely bridge over the Chesapeake and Ohio Canal. It was built from 1829 to 1833 and is one of 12 such bridges to cross the canal. During …

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46.7 km

Catoctin Creek Aqueduct

Highlight • Bridge

The Catoctin Aqueduct, situated along the Chesapeake & Ohio (C&O) Canal in Maryland, was constructed between 1832 and 1834. The aqueduct served as a vital waterway infrastructure, allowing canal boats to cross over the Catoctin Creek.

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