Old browser warning

Site look funky?  Your browser is either Internet Explorer (hit refresh (F5) several times due to a bug in Microsoft's code that we can't work around) or is 10 years old and standards-based layouts and styling confuse it.   Consider updating.  One excellent option is Mozilla Firefox, versions of which are available for Linux, Mac and Windows. Safari 1.0+ and IE 6.0+ are also supported.

River List help

State Partl. Name

Level Legend: - - - - - - - - - Below Recommended Low Runnable - - - - - - - - High Runnable Above Recommended - - - - - - - - - Unknown Unknown
Options Scheme: customize colors... Detailed Rivers Simple Rivers
Click a heading to sort. Hover over a heading for help.
River Name/Section Class Level running? Updated
Anacostia, Northwest Branch [MD] US Rte 29 to Riggs Road I-III(V+) 2 cfs
0 cfs/hr
L0-
Below Recom.
01h43m
Antietam Creek [MD] 1) Upper: Oak Ridge Dr. to Hwy.68 (Devils Backbone Park) I-II 2.82 ft
0.00 ft/hr
L4-
Below Recom.
02h13m
Antietam Creek [MD] 2) Hwy 68 to Hwy 34 I-II 2.82 ft
0.00 ft/hr
R3-
Runnable
02h13m
Antietam Creek [MD] 3) Hwy.34 to Potomac River I-II 2.82 ft
0.00 ft/hr
R3-
Runnable
02h13m
Bear Creek [MD] U.S. 219 to Youghiogheny River at Friendsville IV 17 cfs
0 cfs/hr
L0-
Below Recom.
01h58m
Beaver Creek [MD] Beaver Creek Park N Ride (I-70) to Alternate Rt. 40 I(II) 2.82 ft
0.00 ft/hr
L7-
Below Recom.
02h13m
Bennett Creek [MD] MD Route 355 to Monocacy River I-II 23 cfs
0 cfs/hr
L9-
Below Recom.
01h43m
Big Elk Creek [MD] PA Route 341 to Elkton I-II 32 cfs
0 cfs/hr
L9-
Below Recom.
02h43m
Broad Creek [MD] MD Route 136 to MD Route 623 I-II 81 cfs
+ 2 cfs/hr
L1-
Below Recom.
02h13m
Cabin John Creek [MD] River Road to Potomac II-III 20 cfs
0 cfs/hr
L7-
Below Recom.
02h13m
Casselman, N. Branch [MD] Dung Hill Road to Maryland Route 495 I-III 0.87 ft
0.00 ft/hr
L0-
Below Recom.
01h58m
Casselman [MD] MD Route 495 to Salisbury, Pennsylvania I-II 17 cfs
0 cfs/hr
L3-
Below Recom.
01h58m
Catoctin Creek [MD] US 40 to Potomac River I-II 1.75 ft
0.00 ft/hr
L0-
Below Recom.
01h43m
Conowingo Creek [MD] Oakwood to Susquehanna River IV-V 125 cfs
0 cfs/hr
L7-
Below Recom.
00h43m
Crabtree Creek [MD] Swanton, MD to Savage Reservoir III-IV+ 11 cfs
0 cfs/hr
L2-
Below Recom.
02h13m
Deep Creek [MD] Dam to Youghiogheny River V n/a

Deer Creek [MD] 1. Bond Road to MD 23 I 2.32 ft
+0.01 ft/hr
L2-
Below Recom.
02h13m
Deer Creek [MD] 2. Harford Creamery Rd. to Eden Mill Park boat ramp I 2.32 ft
+0.01 ft/hr
L0-
Below Recom.
02h13m
Deer Creek [MD] 3. Eden Mill Dam to Rocks State Park I-II(III) 2.32 ft
+0.01 ft/hr
R0-
Lower Runnable
02h13m
Deer Creek [MD] 4. Rocks State Park to US 1, Benjamin Bridge Access I-II(III) 2.32 ft
+0.01 ft/hr
L0-
Below Recom.
02h13m
Deer Creek [MD] 5. US Rt 1, Benjamin Bridge Access to MD 136 I-II 2.32 ft
+0.01 ft/hr
L1-
Below Recom.
02h13m
Deer Creek [MD] 6. MD 136 to Susquehanna River I-II 2.32 ft
+0.01 ft/hr
L1-
Below Recom.
02h13m
Evitts Creek [MD] Lake Gordon Dam (PA) to Maryland Route 51(MD) I-III 2.33 ft
-0.01 ft/hr
L5-
Below Recom.
01h58m
Fifteen Mile Creek [MD] US Route 40 to Potomac River I-II(III) 0.92 ft
0.00 ft/hr
L0-
Below Recom.
01h28m
Flintstone Creek [MD] Flintstone Creek Road to Town Creek I-III 61 cfs
-1 cfs/hr
L8-
Below Recom.
01h58m
Georges Creek [MD] Maryland Rte. 36 (Midland) to N. Branch Potomac River III-IV 3.22 ft
0.00 ft/hr
L5-
Below Recom.
01h43m
Gunpowder Falls [MD] 1 - Graves Run Rd to Prettyboy Reservoir (Gunpowder Road) II+ 7 cfs
0 cfs/hr
L9-
Below Recom.
01h58m
Gunpowder Falls [MD] 2 - Prettyboy Dam to Falls Road I-III 33 cfs
0 cfs/hr
L0-
Below Recom.
01h28m
Gunpowder Falls [MD] 3 - Masemore Road to Monkton Road I-II 64 cfs
0 cfs/hr
L0-
Below Recom.
01h30m
Gunpowder Falls [MD] 4. Monkton Road to Phoenix I 95 cfs
0 cfs/hr
L6-
Below Recom.
02h13m
Gunpowder Falls [MD] 5 - Lower Loch Raven Dam to Route 1 I-II ~ 150 cfs
0 cfs/hr
L0-
Below Recom.
01h39m
Gunpowder Falls [MD] 6 - Route 1 to U.S.40 II-III ~ 149 cfs
0 cfs/hr
L0-
Below Recom.
01h39m
Gwynns Falls [MD] 1) Villa Nova to Woodlawn II 12 cfs
0 cfs/hr
L6-
Below Recom.
01h58m
Gwynns Falls [MD] 2) Gwynn Oak Ave. to Wilkens Ave (US 1) II-III(IV) 12 cfs
0 cfs/hr
L5-
Below Recom.
01h58m
Herring Run [MD] Echodale Ave to US 40 II-III 1 cfs
0 cfs/hr
L9-
Below Recom.
01h24m
Hunting Creek [MD] Catoctin Hollow Road to Frank Bentz Lake III-IV+(V) 22 cfs
0 cfs/hr
L7-
Below Recom.
01h43m
Jennings Run [MD] Barrelville to Wills Creek III+ 41 cfs
0 cfs/hr
L6-
Below Recom.
01h13m
Jones Falls [MD] Lake Roland to Round Falls I-III n/a

Laurel Run [MD] Laurel Run IV 2.80 ft
0.00 ft/hr
L0-
Below Recom.
02h13m
Little Falls [MD] Parkton (Maryland Route 45) to Gunpowder Falls I-III 39 cfs
0 cfs/hr
L9-
Below Recom.
02h13m
Little Gunpowder Falls [MD] 1) Bottom Rd @ Laurel Brook to Jerusalem Mill (Jerusalem Rd.... I-II 25 cfs
0 cfs/hr
L0-
Below Recom.
02h13m
Little Gunpowder Falls [MD] 2) Jerusalem Mill (Jerusalem Rd.) to U.S. Route 40 II-III 25 cfs
0 cfs/hr
L4-
Below Recom.
02h13m
Little Patuxent [MD] US Route 29 (Columbia) to US Route 1 I-IV 39 cfs
+ 1 cfs/hr
L1-
Below Recom.
02h13m
Little Seneca Creek [MD] Boyds to Darnestown II(III) 47 cfs
+ 3 cfs/hr
L8-
Below Recom.
01h37m
Long Green Creek [MD] Glen Arm Rd. to Gunpowder Falls IV 6 cfs
0 cfs/hr
L7-
Below Recom.
02h13m
Middle Creek (Toms Creek trib.) [MD] T318 to Harney Road II+ 21 cfs
0 cfs/hr
L8-
Below Recom.
01h58m
Middle Patuxent [MD] Carroll Mill Road to Savage Mill I-II(IV) 3.13 ft
+0.01 ft/hr
L0-
Below Recom.
02h13m
Middle creek [MD] Wolfsville to Myersville II-III(V) 1.75 ft
0.00 ft/hr
L6-
Below Recom.
01h43m
Mill Run [MD] Pigs Ear Road to Yough River Lake III-IV+ 3 cfs
0 cfs/hr
L0-
Below Recom.
02h13m
Monocacy River [MD] 1. Creagerstown Park to Devilbiss Bridge Park I 1.97 ft
-0.01 ft/hr
R4-
Runnable
01h58m
Monocacy River [MD] 2. Devilbiss Bridge Park to Riverbend Park I 1.97 ft
-0.01 ft/hr
R4-
Runnable
01h58m
Monocacy River [MD] 3. Pinecliff Park to Buckeystown Park I(II) 1.97 ft
-0.01 ft/hr
R4-
Runnable
01h58m
Monocacy River [MD] 4. Buckeystown Park to Park Mills Road I(II) 1.97 ft
-0.01 ft/hr
R4-
Runnable
01h58m
Muddy Creek [MD] Cranesville Swamp Nature Preserve (Lake Ford Road) to Youghi... I-III(V) 3 cfs
0 cfs/hr
L0-
Below Recom.
02h13m
Northeast Creek [MD] below covered bridge on Route 272 V 32 cfs
0 cfs/hr
L8-
Below Recom.
02h43m
Octoraro Creek [MD] New Bridge Road to Richardsmere II 125 cfs
0 cfs/hr
L0-
Below Recom.
00h43m
Olmsted Island Creek [MD] Clara Barton Parkway to C&O Canal V n/a

Owens Creek [MD] 1) Lantz to Roddy Covered Bridge II-IV 22 cfs
0 cfs/hr
L7-
Below Recom.
01h43m
Owens Creek [MD] 2) Rocky Ridge Road (Hwy.77) to Monocacy River I-II 22 cfs
0 cfs/hr
L9-
Below Recom.
01h43m
Patapsco, S. Branch [MD] 1. Woodbine to Henryton Rd. II+(III) 50 cfs
0 cfs/hr
L0-
Below Recom.
01h45m
Patapsco, S. Branch [MD] 2. Marriottsville Rd to Woodstock I-III(IV) 89 cfs
0 cfs/hr
L0-
Below Recom.
02h13m
Patapsco [MD] Woodstock to Elkridge I-III 89 cfs
0 cfs/hr
L0-
Below Recom.
02h13m
Piney Run [MD] Arrington Road to Marriottsville I-III(IV) 6 cfs
-0 cfs/hr
L1-
Below Recom.
02h28m
Potomac, North Branch [MD] 1. Henry, WV to Gormania, WV I-III 2.80 ft
0.00 ft/hr
L0-
Below Recom.
02h13m
Potomac, North Branch [MD] 2. Gormania, WV to Kitzmiller, MD III-IV 2.80 ft
0.00 ft/hr
L0-
Below Recom.
02h13m
Potomac, North Branch [MD] 3. Kitzmiller, MD to Jennings Randolph Lake II-III 2.80 ft
0.00 ft/hr
L0-
Below Recom.
02h13m
Potomac, North Branch [MD] 4. Barnum, WV to Bloomington, MD II(III) 299 cfs
0 cfs/hr
L5-
Below Recom.
02h13m
Potomac, North Branch [MD] 5. Bloomington, MD to Keyser, WV I-II 362 cfs
-5 cfs/hr
L7-
Below Recom.
01h28m
Potomac, North Branch [MD] 6. Black Oak River Access Nr. McCoole, MD to Pinto, MD I 362 cfs
-5 cfs/hr
R3-
Runnable
01h28m
Potomac, North Branch [MD] 7. Pinto, MD to Upper Potomac Industrial Park (upstream of C... I 362 cfs
-5 cfs/hr
R3-
Runnable
01h28m
Potomac [MD] 0.1 Oldtown Toll Bridge to Paw Paw Tunnel Campground I 4.99 ft
-0.01 ft/hr
R4-
Runnable
02h13m
Potomac [MD] 0.2 Paw Paw Tunnel Campground to Fifteen Mile Creek Campgrou... I 4.99 ft
-0.01 ft/hr
R4-
Runnable
02h13m
Potomac [MD] 0.3 Fifteen Mile Creek Boat Ramp to Hancock, MD I 3.98 ft
-0.02 ft/hr
R4-
Runnable
02h13m
Potomac [MD] 0.4 Big Pool Campground to Williamsport MD I 3.98 ft
-0.02 ft/hr
R4-
Runnable
02h13m
Potomac [MD] 0.5 Dam # 4 to Shepherdstown WV I 3.98 ft
-0.02 ft/hr
R4-
Runnable
02h13m
Potomac [MD] 0.6 Shepherdstown, WV to Dargans Bend Boat Ramp I 3.98 ft
-0.02 ft/hr
R4-
Runnable
02h13m
Potomac [MD] 0.7 Dargans Bend Boat Ramp to Sandy Hook/Potoma Wayside II 3.98 ft
-0.02 ft/hr
R4-
Runnable
02h13m
Potomac [MD] 0.8 Sandy Hook/Potoma Wayside to Point of Rocks MD I-II 3.98 ft
-0.02 ft/hr
R4-
Runnable
02h13m
Potomac [MD] 0.9 Point of Rocks to Mouth of Monocacy I 3.41 ft
0.00 ft/hr
R4-
Runnable
01h43m
Potomac [MD] 1. Mouth of Monocacy to Riley's Lock Boat Ramp I 3.41 ft
0.00 ft/hr
R4-
Runnable
01h43m
Potomac [MD] 2. Violette's Lock/GW Canal Loop/Violette's to Pennyfield/Se... I-II 3.41 ft
0.00 ft/hr
R4-
Runnable
01h43m
Potomac [MD] 3. Great Falls (Center Lines) V+ 3.41 ft
0.00 ft/hr
R4-
Runnable
01h43m
Potomac [MD] 3. Great Falls (Fish Ladder) IV-V(V+) 3.41 ft
0.00 ft/hr
L8-
Below Recom.
01h43m
Potomac [MD] 3. Great Falls (MD Lines) V+ 3.41 ft
0.00 ft/hr
R9-
Upper Runnable
01h43m
Potomac [MD] 3. Great Falls (VA Lines) V 3.41 ft
0.00 ft/hr
R5-
Runnable
01h43m
Potomac [MD] 4. Sandy Beach/O-Deck to Anglers Inn II-III(IV) 3.41 ft
0.00 ft/hr
R5-
Runnable
01h43m
Potomac [MD] 5. Anglers Inn to Lock 10 II 3.41 ft
0.00 ft/hr
R5-
Runnable
01h43m
Potomac [MD] 6. Lock 10 to Sycamore Island I 3.41 ft
0.00 ft/hr
R5-
Runnable
01h43m
Potomac [MD] 7. Little Falls II-III(IV) 3.41 ft
0.00 ft/hr
R5-
Runnable
01h43m
Rock Creek [MD] 1. Rockville to Military Road I(II) 20 cfs
0 cfs/hr
L8-
Below Recom.
02h13m
Rock Creek [MD] 2. Military Road to Potomac River in D.C. I-III 20 cfs
0 cfs/hr
L7-
Below Recom.
02h13m
Savage [MD] Avilton Lonaconing Road to Head of Savage Reservoir II(IV) 11 cfs
0 cfs/hr
L0-
Below Recom.
02h13m
Savage [MD] Dam to North Branch Potomac River III-IV 56 cfs
0 cfs/hr
L0-
Below Recom.
02h13m
Seneca Creek [MD] Black Rock Mill to Riley's Lock Boat Ramp I-II 47 cfs
+ 3 cfs/hr
L7-
Below Recom.
01h37m
Sideling Hill Creek [MD] Purcell Penn.(sr 2011)to the Potomac river I-II 0.92 ft
0.00 ft/hr
L0-
Below Recom.
01h28m
Town Creek [MD] I-68 to Potomac River I 61 cfs
-1 cfs/hr
L0-
Below Recom.
01h58m
Wills Creek [MD] Ellerslie to Eckhart Junction I-II 41 cfs
0 cfs/hr
L0-
Below Recom.
01h13m
Winters Run [MD] Pleasantville Road to Maryland Route 7 I-II 24 cfs
0 cfs/hr
L5-
Below Recom.
02h13m
Youghiogheny [MD] 0. US Route 50 to Millers Run I-II 3 cfs
0 cfs/hr
L0-
Below Recom.
02h13m
Youghiogheny [MD] 1. Tippy-Top IV 50 cfs
0 cfs/hr
L7-
Below Recom.
02h13m
Youghiogheny [MD] 2. Top IV-V 50 cfs
0 cfs/hr
L7-
Below Recom.
02h13m
Youghiogheny [MD] 3. Upper IV-V 2.32 ft
0.00 ft/hr
L0-
Below Recom.
01h43m