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Maryland | Howard and Baltimore Counties / Central Maryland
Patapsco RiverOrange Grove Area to Avalon / Glen Artney Area
A short, bounded lower Patapsco float reach between two public Patapsco Valley State Park areas. The route is moving water only when flow is adequate, with gravel bars and occasional strainers; it ends at the Avalon/Glen Artney park area rather than continuing into the lower tidal or industrial Patapsco.
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Route location
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Need to know
Why this call
Safety
Route safety
CautionThis route has hazards or access considerations that require extra verification.
Safety details
Use 175 cfs only as American Whitewater’s route-specific float planning screen. Maryland DNR describes paddling when levels are up and warns that current is swift after storms; check the direct Hollofield gauge, recent rain, trend, and actual local depth before launching.
- The reach has gravel bars and occasional strainers. Wear a fitted PFD, keep clear of wood and unstable banks, and leave enough water and daylight to reach the Avalon take-out without extending into an unplanned lower Patapsco reach.
- Do not put in below or near the former Bloede Dam no-trespassing area. Orange Grove is the named route put-in; use only the current public park access and never cross railroad, private, or closed areas.
- Avalon is stored as a public park-area anchor, not an exact waterline claim. Confirm the carry from the river, park hours, parking capacity, fees, and a safe landing before committing to the route.
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Route overview
Trip details
Access rules, camping, seasonal conditions and trip length.
Distance, difficulty, rules and camping
Plan ahead
Tomorrow and the weekend
Forecasts can change. Check current conditions again before leaving.
Waiting on forecast.
Waiting on forecast.
Plan
Plan your trip
Launch points, shuttle details, distance, and access notes.
Route logistics
Access and shuttle
A short, bounded lower Patapsco float reach between two public Patapsco Valley State Park areas. The route is moving water only when flow is adequate, with gravel bars and occasional strainers; it ends at the Avalon/Glen Artney park area rather than continuing into the lower tidal or industrial Patapsco.
Access map
Put-in
Orange Grove Area swinging bridge river access anchorAmerican Whitewater identifies Orange Grove river access and parking just upstream of the swinging bridge; Maryland DNR identifies the public Orange Grove area. Confirm the current public carry, parking, bridge status, and river entry before unloading.
Take-out
Avalon / Glen Artney Area park access anchorThe Avalon coordinate is the DNR-published park GPS for the Avalon area and is intentionally labeled an area anchor. American Whitewater supplies the river take-out context; verify the actual waterline landing and carry path on site.
Road shuttle
Access notes and hazards
Access caveats
- American Whitewater identifies Orange Grove river access and parking just upstream of the swinging bridge; Maryland DNR identifies the public Orange Grove area. Confirm the current public carry, parking, bridge status, and river entry before unloading.
- The Avalon coordinate is the DNR-published park GPS for the Avalon area and is intentionally labeled an area anchor. American Whitewater supplies the river take-out context; verify the actual waterline landing and carry path on site.
- Park areas can fill to capacity on busy weekends and holidays. A public park designation does not guarantee a launch space, landing, or same-day parking availability.
- The Hollofield gauge is on the same Patapsco but upstream of this short lower reach. Tributary inflow, storm response, debris, and local access conditions can differ materially from the instantaneous gauge reading.
Watch for
- USGS 01589000 discharge and trend
- 175 cfs float-planning context, recent rain, swift post-storm current, cold water, gravel bars, strainers, and unstable banks
- Orange Grove bridge/parking, Avalon park capacity, area-anchor carry, no-trespassing/railroad boundaries, and hard take-out before the lower Patapsco
Plan this paddle
Choose your trip times
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Conditions
Water levels, gauge history, and hourly forecast
Check the forecast and local water levels before launching.
USGS measurements
More about this gauge
These measurements come from the gauge station. Water depth and current can differ along your trip.
River camera · USGS
View at the gauge
Patapsco River at Hollofield, MD. This view may be outside your paddling reach. Images are periodic and do not establish safe conditions.
Gauge detail
Water-level history and forecastDetailed view
Gauge note
No published water-level range for this trip · Patapsco River at Hollofield, MD
Does this gauge apply to my trip?
Patapsco River at Hollofield, MD does not establish suitable water levels for this trip. Check the access and hazard notes and ask locally about current conditions.
New to reading stage or flow? Read the paddler's gauge guide.
Gauge
Recent trend
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Gauge source
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Hourly forecast
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Short-route forecast
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Route gallery
Photos
Check each caption: some photos show the surrounding area rather than this exact trip.

Sources
Data and sources
Read the access and hazard notes and check the linked guides. We do not issue a daily score for this trip.
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.
- Named moving-water corridorOrange Grove to Avalon/Glen Artney, approximately 1.7 miles
American Whitewater identifies Orange Grove access and the Avalon float take-out option, with gravel bars and occasional strainers below Orange Grove.
- Route-specific flow guidanceFloat trips possible down to approximately 175 cfs from Orange Grove to Avalon
American Whitewater supplies the route-specific planning screen; it is not a universal safe minimum.
- Maryland public accessOrange Grove, Avalon, and Glen Artney are public Patapsco Valley State Park areas; DNR publishes Avalon GPS
Maryland DNR documents the public park areas, swinging bridge, paddling guidance, and seasonal/storm flow posture.
- Endpoint coordinate evidenceOrange Grove swinging bridge near-water anchor; Avalon DNR park-area anchor
Orange Grove is a near-water bridge/access anchor. Avalon is an official area coordinate paired with American Whitewater’s take-out description and is explicitly not presented as a surveyed landing.
- Direct flow evidenceUSGS 01589000 Patapsco River at Hollofield
USGS is the direct same-river station; local storm response, debris, and lower-reach conditions still require field inspection.
- Live gaugeUSGS 01589000, Patapsco River at Hollofield, MD
This is a direct same-river station. Readings are provisional and must be combined with trend and visual conditions.
- Approved route imageryRights-cleared public-agency or public-domain corridor image
Wikimedia Commons CC BY 2.0 Patapsco Valley State Park river image used as route context; it does not certify the lower reach’s current flow, access, strainers, or take-out.
Verify it yourselfCheck the source links
Use these links to double-check the gauge, route details, and access notes before you head out.
- American Whitewater Daniels Dam through Elkridge / Orange Grove to Avalon context
- Maryland DNR Avalon paddling and tubing guidance
- Maryland DNR Avalon/Orange Grove/Glen Artney area
- Maryland DNR Avalon/Orange Grove access map
- USGS Hollofield current conditions
- USGS 01589000 monitoring location
- USGS 01589000 current conditions
- Approved corridor image
Paddler reports
Recent notes from paddlers
A few quick notes from people who were on this route recently.
Reports
Paddler reports
See recent photos and notes from people on the route.
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Quick answers
Patapsco River paddling FAQ
What water level is best for the Orange Grove Area to Avalon / Glen Artney Area route on the Patapsco 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 Orange Grove Area to Avalon / Glen Artney Area route on the Patapsco River start and end?
This route starts at Orange Grove Area swinging bridge river access anchor and ends at Avalon / Glen Artney Area park access anchor, Approximately 2.8 river miles between the stored Orange Grove and Avalon area anchors; exact moving-water distance varies with the landing and channel on the water.
Is the Orange Grove Area to Avalon / Glen Artney Area route on the Patapsco 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.
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