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See all 3 routes on Monocacy River

Maryland | Frederick County / Central Maryland

Monocacy River

Maryland Route 77 / Rocky Ridge to Devilbiss Bridge

Check current paddling conditions for this Monocacy River route, including water level, recent gauge trend, weather, and route details.

Route location

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Open access map
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
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Conditions

Gauge history and hourly forecast

The top card is the quick read. This lower section keeps the longer gauge trend, gauge context, and hourly forecast together.

Gauge detail

Gauge history & hourly forecastDetailed view

Gauge

Recent trend

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Weather

Hourly forecast

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Short-route forecast

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Route overview

Quick facts and what's next

Distance, difficulty, shuttle basics, and the near-term outlook before you commit to the drive.

Quick facts

On-water distanceApproximately 11.5 river miles, official Monocacy Scenic Water Trail Section 1Maryland Route 77 / Rocky Ridge to Devilbiss Bridge
DifficultyeasyThe source describes recreational moving water, but shallow rock, current, cold water, debris, and bridge or access hazards remain material.
ShuttleCar shuttleStage the downstream vehicle at Devilbiss Bridge, then drive to the Route 77/Rocky Ridge launch. Keep vehicles in designated parking, avoid blocking farm or bridge approaches, and allow time for a slow shallow-water day.
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.

Plan ahead

Upcoming outlook

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Plan

Plan your trip

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

Route logistics

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.

DirectionsApple MapsOpenStreetMap

Prepare this trip

Take the plan with you

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Start

Put-in

Maryland Route 77 / Rocky Ridge public launch
Open map

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
Open map

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.

Plan this segment

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Access caveats and watch for

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

Route gallery

See this route on the water

Photos help show what the access looks like and what the route actually feels like on the water.

Two paddlers move downstream on the Monocacy River beneath wooded banks in Maryland.
Monocacy River Water Trail paddling contextPhoto by Saki / National Park Service
National Park Service public-agency image

Score & sources

Why this score

See the gauge, weather, and source notes behind today's call.

Read quality
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Why this scoreToday's evidence strength is checking

Evidence strength mostly comes down to three things: how direct the active gauge is, how clear the range is, and how fresh the data is.

Why
  • Checking evidence-strength notes.
Data behind the scoreGauge, thresholds, and timing

These are the live readings and threshold notes behind today's score.

Gauge siteMonocacy River at Jug Bridge near Frederick, MD
Gauge heightChecking
DischargeChecking
24h trendChecking
24h changeChecking
Current bandChecking
Rain last 24hChecking
Rain last 72hChecking
Air tempChecking
Water tempChecking
WindChecking
GustsChecking
Rain timingChecking
Ideal rangeNeeds paddler reports
Known low-water floor2.10 ft
High thresholdNot calibrated yet
Evidence strength behind the rangeOfficial data source
Gauge observedChecking
Paddle Today updatedChecking
Main source behind this scoreNPS Monocacy River Water Trail flow guidance
Gauge sourceChecking
Weather sourceChecking
Rainfall sourceChecking
NotesWhat 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

Verify it yourselfCheck the source links

Use these links to double-check the gauge, route details, and access notes before you head out.

Reports

Paddler reports

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Photos

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Keep exploring

More routes to check next

Compare another stretch on this river, or jump to nearby options before you pick a plan.

More in Maryland

All 140 routes
Maryland route guideBrowse every tracked Maryland route.Frederick County / Central MarylandJump to routes in this region.

More on Monocacy River

All 3
Devilbiss Bridge to Gambrill Mill at Monocacy National BattlefieldFrederick County / Central MarylandEasy · Approximately 12.7 river miles, official Monocacy Scenic Water Trail Section 2Gambrill Mill at Monocacy National Battlefield to Monocacy Boat Ramp / DickersonFrederick County / Central MarylandEasy · Approximately 17.6 river miles, official Monocacy Scenic Water Trail Section 3

Nearby routes by distance

Little Pipe CreekW. Locust Street, Union Bridge to Double Pipe Creek Park · about 6 mi awayEasy · Approximately 9 river miles from W. Locust Street to Double Pipe Creek ParkBig Pipe CreekHapes Mill Road soft launch to Double Pipe Creek Park · about 9 mi awayEasy · Approximately 8 river miles from Hapes Mill Road to Double Pipe Creek Park; route distance varies with channel and water levelCatoctin CreekDoub's Meadow Park to Catoctin Creek Park & Nature Center · about 16 mi awayModerate · Approximately 16.2 river miles from Doub’s Meadow Park to Catoctin Creek Park & Nature CenterCatoctin CreekCatoctin Creek Park & Nature Center to C&O Lander Boat Ramp / Potomac · about 21 mi awayModerate · Approximately 10.1 moving-water miles from Catoctin Creek Park to the C&O Lander Boat Ramp at the Potomac

Quick answers

Monocacy River paddling FAQ

What water level is good for paddling Monocacy River?

Paddle Today watches Monocacy River at Jug Bridge near Frederick, MD and uses 2.10 ft as the conservative low-water floor for this route. The ideal range still needs more paddler reports.

Where does this Monocacy River route start and end?

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

Is this Monocacy River route good for beginners?

This is listed as an easy route, but conditions still matter. Check today's score, water level, weather, and access notes before you go.

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