Maryland | Frederick County / Central Maryland

Monocacy RiverMaryland Route 77 / Rocky Ridge to Devilbiss Bridge

The upstream section of Maryland’s official Monocacy Scenic Water Trail from the Route 77/Rocky Ridge launch to Devilbiss Bridge. The non-tidal river carries a variable downstream current through shallow, rocky water and changing bank conditions.

Route location

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DistanceApproximately 11.5 river miles, official Monocacy Scenic Water Trail Section 1
DifficultyEasy
Typical time4–7 hours depending on stage
ShuttleCar shuttle
Two paddlers move downstream on the Monocacy River beneath wooded banks in Maryland.
Route photoMonocacy River Water Trail paddling contextPhoto by Saki / National Park Service

Need to know

Why this call
This route is documented for planning, but does not receive a Paddle Today score.
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Trip details

Access rules, camping, seasonal conditions and trip length.

Distance, difficulty, rules and camping
DifficultyeasyThe source describes recreational moving water, but shallow rock, current, cold water, debris, and bridge or access hazards remain material.
PermitsNone notedNo route-specific paddling permit is identified by the water-trail sources. Follow current Maryland boating/PFD rules, park hours, hunting notices, parking instructions, and posted access restrictions.
CampingDay tripNo camping is claimed at either launch. Use a separately confirmed Frederick County, Maryland state-park, or private campground/lodging option; public access and private riverbank do not imply overnight permission.
SeasonMar-NovSpring through fall is the practical planning season, but Maryland water levels, recent rain, temperature, debris, and daylight control every launch decision.

Tomorrow and the weekend

Forecasts can change. Check current conditions again before leaving.

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Plan your trip

Launch points, shuttle details, distance, and access notes.

Access and shuttle

The upstream section of Maryland’s official Monocacy Scenic Water Trail from the Route 77/Rocky Ridge launch to Devilbiss Bridge. The non-tidal river carries a variable downstream current through shallow, rocky water and changing bank conditions.

Access map

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Start

Put-in

Maryland Route 77 / Rocky Ridge public launch

The county map and NPS guide describe a mix of paved ramps, gravel beaches, carries, and unimproved access; confirm the current launch surface, parking, hours, and waterline before unloading.

Finish

Take-out

Devilbiss Bridge public launch

The route is divided into official sections, but the river can be run shorter with intermediate public sites. A missed take-out can create a long, unsafe extension, so carry a map and leave daylight margin.

Road shuttle

Access notes and hazards

Access caveats

  • The county map and NPS guide describe a mix of paved ramps, gravel beaches, carries, and unimproved access; confirm the current launch surface, parking, hours, and waterline before unloading.
  • The route is divided into official sections, but the river can be run shorter with intermediate public sites. A missed take-out can create a long, unsafe extension, so carry a map and leave daylight margin.

Watch for

  • USGS 01643000 stage and trend
  • recent rain, fast rise, cold water, shallow rock, floating wood, strainers, bridge hydraulics, and hunting activity
  • muddy or slippery launch areas, park hours, parking capacity, and a hard take-out at the named endpoint

Choose your trip times

No account needed. Check the selected access points above, then choose both dates and times. For an overnight paddle, set take-out to the following date.

Trip schedule

Times use the selected time zone. Check it against the river’s location before saving or sharing.

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Water levels, gauge history, and hourly forecast

Check the forecast and local water levels before launching.

Water-level history and forecastDetailed view

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Short-route forecast

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Data and sources

Read the access and hazard notes and check the linked guides. We do not issue a daily score for this trip.

What to know before you go

These notes cover the access details, route quirks, and source caveats most likely to matter once you get there.

  • Official route segmentRocky Ridge to Devilbiss Bridge, Section 1 of a 41.8-mile water trail

    Frederick County publishes the three-section Monocacy Scenic Water Trail and names this endpoint pair.

    Source

  • Direct flow guidanceAt least 350 cfs or 2.1 ft at MD 77; 5 ft or higher hazardous

    NPS transcribes the launch-site guidance and warns of low-water and high-water consequences.

    Source

  • Public accessRoute 77/Rocky Ridge and Devilbiss Bridge launch corridors

    NPS describes the launch conditions and the west-side location of the Devilbiss access.

    Source

  • Live gaugeUSGS 01643000, Monocacy River at Jug Bridge near Frederick, MD

    This is a direct same-river station. Readings are provisional and must be combined with trend and visual conditions.

    Source

  • Approved route imageryRights-cleared public-agency or public-domain corridor image

    NPS-published Monocacy River paddling photograph used as corridor context; it does not certify current water, access, or hazard conditions.

    Source

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Paddler reports

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Photos

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Monocacy River paddling FAQ

What water level is best for the Maryland Route 77 / Rocky Ridge to Devilbiss Bridge route on the Monocacy River?

This planning route has no live Paddle Today score. Review the linked water-level sources, current access notices and route-specific hazards before travel.

Where does the Maryland Route 77 / Rocky Ridge to Devilbiss Bridge route on the Monocacy River start and end?

This route starts at Maryland Route 77 / Rocky Ridge public launch and ends at Devilbiss Bridge public launch, Approximately 11.5 river miles, official Monocacy Scenic Water Trail Section 1 on the water.

Is the Maryland Route 77 / Rocky Ridge to Devilbiss Bridge route on the Monocacy River suitable for beginners?

This is listed as a easy route. Review the difficulty notes, hazards and current access conditions against your group's skills. No live score assesses this trip.

See something outdated?

Access, hazards, wood, and shuttle details change. Send a quick correction if something looks off.