This photo needs editing.
Difficulty II-III(IV)
Length 2.3 Miles
Gauge POTOMAC RIVER NEAR WASH, DC LITTLE FALLS PUMP STA
Flow Range 2.20 - 6.00 FT
Flow Rate as of: 1 hour ago 5.19 [FT]
Reach Info Last Updated 12/14/2018 7:56 pm

River Description


The Potomac River below Great Falls is literally in the back yard of Washington, D.C. This fact contributes to the strong boating community in the metropolitan region. Mather Gorge, where this section begins, is a stunning cliff-lined gorge. Further down, the river maintains it's wild and remote feeling, except for at choice spots where Virginia has allowed sloppy development to mar the shore.

The river offers play and practice for beginners to experts and numerous sections can be run. This description will deal with the rapids and access points and doesn't provide details on the numerous play spots.

It should be noted that the stretch of river from O-Deck just below Great Falls thru Wet Bottom offers some of the best big water paddling in Maryland. 10,000 cfs thru a 100 foot wide gorge makes for some large waves, surging eddies and boiling eddylines. Below Mather gorge the rapids get considerably easier. Here is one playspot guide: Potomac Playspot Project. And another: Potomac Paddlers. Another popular playspot guide developed by David Mackintosh is currently offline. It will be linked here if it is revived.

Access Points:
Great Falls is located to the west of Washington DC. Best access is off of I-495 to Clara Barton parkway/Carderock exit on the Maryland side. Take the parkway west about two miles to McArthur Blvd. Continue west on McArthur about another mile to the Anglers Inn parking area. To access the Virginia side, exit I-495 to Old Georgetown Pike/Hwy 193. Go west about 4 miles to Old Dominion Drive and take a right into the park.

Maryland:
- Sandy Beach. Park at Great Falls National Park (fee area), reached via MacAuthur Blvd. in Montgomery County, MD. Carry 1/4 mile south along the C & O Canal towpath; take trail on the right that leads to Sandy Beach putin.

- Angler's Inn. Reach via MacAuthur Blvd. Park in one of three gravel or dirt lots across from the Angler's Inn, a fine restaurant. Carry across the canal, then 100 feet south on the towpath, then right down to the shore. From the river, the beach is easily seen on river left.

Virginia:
- Fisherman's Eddy. Park at Great Falls National Park (Virginia - fee area). From lower lot, carry across picnic area to steep trail that leads to Fisherman's Eddy.

- Rocky Island. From Great Falls, Virginia, walk south on trail from picnic area to a small footbridge and walk left down the rocky gully access Rocky Island surfing waves.

Rapids (in order from the base of Great Falls to Anglers Inn).
-- O-Deck (Class III). Primarily a playspot with large surfing waves. Adjacent to Fisherman's Eddy. Using this for a downriver trip is inconvenient because shuttle must be set on Virginia side of river.

-- Fishladder (Class II+-III). Formed by current from fishladder around Great Falls. Fast current, big waves and a messy pourover at some levels.

-- S-Turn (Class II-IV). Converging currents and constricted river form dynamic waves, current and whirlpools. Rocks form pourover holes at lower levels.

-- Rocky Island (Class II-III). At 4-5 feet on LF gauge a fine series of surfing waves exist. Lower levels present Class II waves.

-- Wet Bottom Chute (Class II). At normal levels is a 3 foot sloping ledge drop that can be run most anywhere.

-- Difficult Run Rapids, Maryland, Center and Virginia Chutes (Class II). Washington's practice spot and home to the Maryland chute playspot. Each chute offers a different type of practice. All lines are straightforward.

Playspot List & Levels:
2.5' - 4.2' Wet Bottom (Class 3)
2.6' - 2.8' Horseshoe (Snodgrass) Wave (Class 3+)
2.7' - 2.9' Fishladder Wave
2.7' - 2.9' Portage Waves (Class 2)
2.7' - 3.0' Annie's
2.7' - 3.0' O-Deck 3 (Class 3)
2.7' - 4.0' Maryland Chute (Class 2+)
2.7' - 4.2' Virginia Chute Wave (Class 2)
2.8' - 3.3' Bloody Good
3.3' - 3.6' O-Deck 2 (Class 3)
3.6' - 3.8' O-Deck 1 (Class 3)
3.6' - 3.7' S-Turn (Class 3)
3.7' - 3.9' S-Turn
3.7' - 4.1' Showcase (Class 3)
3.9' - 4.1' Simon Says
3.9' - 4.8' Rocky Island Waves (Class 3)
4.1' - 5.4' Center Chute Ledge (Main Hole) (Class 3+)
4.2' - 4.7' Upper Center Chute Ledge (Class 3)
4.2' - 4.4' Fish Counter
4.5' - 6.0' Tight Quarters
4.8' - 5.2' Gil's Hole (Lower) (Class 3)
4.9' - 5.4' Gil's Hole (Upper) (Class 4)
5.3' - 6.4' Rodeo Zone
5.4' - 6.5' Center Chute Wave (Class 3)
6.0' - 6.7' Rocha Motel
6.0' - 7.6' Skull Island Wave (Class 2+)
6.2' - 6.6' Dave's Wave (Class 3+)
6.4' - 8.0' Showcase
6.7' - 6.9' Super Dave
6.7' - 7.0' Shoulder Snapper (Sweetie-pie) Wave
6.8' - 7.5' Corner Hole (Fudgepacker) (Class 4)
7.0' - ?.?' Sweetie-pie Wave
7.2' - 8.2' Last Supper
7.3' - 8.0' Elbow Wave
7.3' - 8.8' Dead Cow Hole (Class 3+)
7.9' - 8.8' Bud (also called Butt) Hole
8.0' - 9.5' Pencil Sharpener
8.0' - ?.?' Zambezi Wave
8.5' - 9.5' Eraser
9.0' - 9.5' Round the Corner

From Potomac Paddlers website, added May 2004


National Park Service Great Falls Page

NPS Great Falls Map

These guide books provide good references for this section: Sehlinger, Bob, et. al.; Appalachian Whitewater, the Southern States. Gertler, Ed; Maryland and Delaware Canoe Trails.

Rapid Descriptions

O-Deck

Class - III Mile - 0
Easiest access is from the VA side as a park & surf. Enter Great Falls park and take an immediate right into the first parking area. Just above the lower observation deck is the trail down to Fishermans eddy. Carefully work down the steep trail to the waters edge. Ferry across and slightly upstream to access the O-deck wave.

From the MD side you will have to work upstream past the mouth of the fishladder and attain up about another 300 yards to access O-deck.

Fishladder

Class - III Mile - 0.3
Rapid Thumbnail Missing
Wierd currents where the fishladder dumps into the main stem of the Potomac.

S-Turn

Sandy Beach

Class - Mile - 0.33
Rapid Thumbnail Missing
Access point river left just below the fishladder. The trail is just off the towpath down from Lock 17, upstream of the overlook. Can also be accessed from Anglers by paddling up the canal a mile, then carrying another 0.4 mile to the put-in.

Rocky Island

Class - III Mile - 0.4
Rapid Thumbnail Missing
Large bigwater waves and eddy lines at higher flows. Good long boat surfing between 4 and 5 feet on the gauge.

Wet Bottom

Difficult Run Rapids

Class - II+ Mile - 1.85
Rapid Thumbnail Missing
Maryland, Center, & Virginia Chutes.

Anglers Inn Access

Class - Mile - 2.3
Rapid Thumbnail Missing
Access point river left

Comments

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BradR
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14 years ago

For the out of towners:
Park at Anglers Inn. 3 major options.
1. walk down the trail, across the bridge, and veer to the left to the wide trail down to the river. From there you can attain up to the maryland and center chute. Easy attainment even in a 6 foot long boat. Best to just follow the crowd. Someone is always there. Float back down to anglers when done. Center is best around 6 feet. Huge wave, nice eddy. Turns into a hole in the 5 foot range.

2. using the same put-in, float downstream and go to the left of the big island. These are the offut waves. Lots of fun in the 4 foot range, and much more user friendly for novices than the upstream chutes. To get back to your car, get out on river left. Follow the trail DOWNSTREAM, it will eventually take you back up the hill to the C&O towpath. From there either paddle back up the canal or carry your boat a half mile back to anglers.

3. From anglers, walk down to the canal, hop in your boat and slide into the canal. Paddle upstream about a mile. Get out when you get to the lock and carry your boat up the trail past the overlook. From the overlook you will look down on the sandy beach put-in. Keep going up the trail until you see the main wide trail on the left going down to sandy beach. From there, pick one of the many options and eventually float back down to anglers. It seems that most people access the Rocky Island waves this way. Good surfing up by sandy beach above 6 feet. Major boiling eddies and swirly water. Rocky Island is a great surf in a fast long boat around 4.5 feet.

Enjoy.
Brad.

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n/a
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11 years ago

My truck got broken into at the Old Angler's put in yesterday afternoon. Somehow they got right through the passenger side lock! Lock is now busted and my debit card is a goner... the thieves ran up $700 in charges before BofA automatically cancelled the card. Anyway, don't learn the hard way this is a problem that doesn't seem to be getting any better. Leave nothing of value in your vehicle at this put-in!

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BradR
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14 years ago

Subject: Record high run on Potomac above DC - Sunday 1/21/96
This is the only article in this thread
View: Original Format
Newsgroups: rec.boats.paddle
Date: 1996/01/22


TRIP REPORT: date - 1/21/96; level - 19.31' at Little Falls gauge; put-in:
Bear Island 200 yards above jumping cliffs in Mather Gorge; take-out -
Lock 10 on C&O Canal; difficulty - if you believe in runnable class 6,
this was it, baby!!

Sunday saw the highest known run ever down the Potomac Gorge, surpassing
the 1985 run at 18.3' by Davey (the resistor) Hearn et al. We put in at
about 1:15 pm, just as the river crested. The Little Falls gauge was
confirmed at 19.31' at 1:00 pm. We estimate the cfs at 375,000, which is
extrapolated from data supplied by the Army Corps of Engineers for 1985
flood. I tried to get confirmation from the Corps for yesterday's cfs, but
without success so far.

The water was indescribably monstrous and chaotic. I led out of the put-in
eddy, and as I was crossing the boil zone towards the shear line, I was
attacked by a massive moving hydraulic about 8' high. It pulled me
completely underwater for 3 or 4 seconds before dissipating and letting me
go. We all realized very quickly that a blown skirt might be fatal.

The main action was at the rapid named Jumps, which started about 200
yards down from the put-in and continued for 1/2 mile. This rapid occurs
in a spot which is normally placid flatwater. I believe it was named by
the 1985 crew, who were the first to discover it. It is named after an
area popular for it's 50' cliff jumps down into the river. The tops of
these cliffs were probably 15-20 feet underwater yesterday.

Jumps is formed from an interesting hydrological phenomenon wherein Mather
Gorge fills in to the brim (about 60' above the height of the average flow
of 7,000 cfs) and virtually dams up Great Falls, which is about 1.5 miles
upstream of this point at the top of Mather Gorge. As a result, Great
Falls flattens out to some extent, and the drop which normally occurs at
Great Falls (about 60 vertical feet) is delayed as the incredible
funneling pressure of the relatively narrow, sheer-walled Mather Gorge
keeps the river elevated. Only when the vertical walls give way to a
less-steep, rocky valley does the river get to madly eject itself from
this bottleneck.

This sight, the Jumps, is one of the most awesome spectacles of nature
I've ever beheld. Hundred of thousands of cfs tumble wildly out of the
gorge through giant boils and folds in a state of mad chaos. Riding
through this involved going from one envelopment to another. The wave tops
periodically broke into temporary, truck-sized hydraulics. But each of us
only got nailed by two or three of these during the worst part of their
cycles. There was some debris and a few trees, but it was not an
overriding concern, and no one was hit by any debris.

At low water there is a 45' high mound of rocks on the center left here,
sort of a high-water island. Yesterday this rock was well under water and
formed a massive 25' high continuous hydraulic (it was here that Kirk's
boat was smashed back in '85). This hole was maybe 50 yards wide, and
extended 50 more yards into a wave on either side. It was easy to miss
this beast, but it was somewhat unsettling to go by it on the shoulder of
the wave extension.

Below Jumps, the river normally makes a 90 degree left turn below Madeira
School towards Angler's Inn put-in, then turns back to the right.
Yesterday the river cut this corner, with less than 40% of the water going
down the existing river channel. There were two major channels, one to the
right of Skull Island, and another of similar size to the right of it
(into the area of Black Pond). The rapids in here, which we were not
expecting, were nearly as intense as Jumps, but much shorter. I hit just
two massive waves, one of which broke on me.

Of the four in our group, two emerged from all of this unscathed (myself
included), one swam and was pulled out by us, and the fourth disappeared.
Later, after a lot of worrying and some soul searching, we found him safe
at home. He had apparently engaged some trees at the bottom of the Black
Pond channel, lost his gear, and swam to shore. He hiked up the Difficult
Run Creek drainage to the nearest house, and the homeowner drove him back
across the river to his home in Cabin John, MD.

This trip was of course the experience of a lifetime. While we all agreed
that we would probably not do this again, it was exhilirating beyond
belief. Perhaps one or two in our party should not have gone or perhaps we
all made sound decisions. We certainly knew the risks and we knew some
elements were not in our control (a branch poking through your spray
skirt, or a tree in the hole with you). We had some 50 years of paddling
experience between the 4 of us, mostly in these waters. Our weakest member
had 5 years experience. No one was pressured to put in.

We planned the trip carefully to avoid contact with authorities using
alternate parking and access points and other measures. We luckily did not
see authorities (other than helicopters) en route to the put-in, nor did
we see any signs indicating that the river was closed. It was, apparently,
but we did not know this. We understood that Park Police or Rangers would
have no choice but to turn us back (what are they going to say, "oh, yeah
anything under 400,000 cfs is perfectly safe, go right ahead"), so we
avoided contact.

The whole question of river "closure" has already provoked some debate on
this newsgroup in connection with Davey (the resistor) Hearn's arrest and
TV interview on Channel 9 last night. And it will probably continue to get
a lot of attention. We are grateful that we did not get tripped up by this
problem and were able to make the decision to go or not go purely based on
our scouting. We did talk to several fireman, county police, park police,
and rangers at the Lock 10 take-out, but they were quite civil with us and
did not accuse us of being insane. They just said get out and we did, as
our run was over - thankfully!

Paul Schelp
1/22/96

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6 years ago

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Summary of Gauge Readings

River is friendly at levels below 3.75 feet. Difficulty picks up as it approaches 4 feet and above.  Advanced and Intermediate boaters with good rolls are comfortable at higher flows. The minimum of 2.2 represents very low flow that only occurs after a prolonged dry period.

Highest known run is 19.3 feet or so.

 

Gauge NameReadingTimeComment
POTOMAC RIVER NEAR WASH, DC LITTLE FALLS PUMP STA
AW Gauge Info
5.19 ft 01h08m n/a
;

Directions Description


We have no additional detail on this route. Use the map below to calculate how to arrive to the main town from your zipcode.

;
Date Flow Result Factor  
2015-05-22 Medium Near Miss/Rescue Solo Paddling Read More
2014-06-13 n/a Near Miss/Rescue Other Read More
2014-01-21 n/a Near Miss/Rescue Other Read More
2013-04-06 High Near Miss/Rescue Cold Water Read More
2001-08-04 n/a Near Miss/Rescue Inadequate Equipment Read More
1999-06-17 Medium Fatality Other Read More
1998-02-22 High Near Miss/Rescue High Water Read More

Alerts

News

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2007 Potomac River Festival

2007-06-25 00:00:00-04
Ben Van Camp

The 17th Annual Potomac River Festival will take place outside the nation's capitol July 13-15.  Pre-registration continues for this celebration of the privilege to recreate on “the Nation’s River,” presented by Potomac Paddlesports. Over a dozen events will take place from Great Falls through the majestic Mather Gorge and international freestyle champions and Olympic team athletes will perform alongside paddlers of all skill levels.
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2010 Potomac Fest - July 10-11 (MD/VA)

2010-07-09 00:00:00-04
Kevin Colburn

Come see American Whitewater at this year's Potomac Fest, July 10 and 11 in Great Falls, MD/VA!  Just minutes from the Nation's Capital, the 20th Annual Potomac Whitewater Festival will be two days of fun events organized to delight beginners, experts and spectators alike.

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2012 Most Endangered Rivers Report Released

2012-05-15 02:59:00-04
Thomas O'Keefe

Today, American Rivers released the annual report on America's Most Endangered Rivers. American Whitewater has partnered with American Rivers in past years in identifying threatened rivers, and this year we are working together to highlight threats to the Skykomish River in Washington and the Green River in Utah.

article main photo

Maryland Boating Regulations

2001-06-11 00:00:00-04
Jason Robertson

Maryland revised their state boating laws in early 2001. The new regulations have dropped the requirement for boaters to register before running Great Falls of the Potomac.
article main photo

Upper Yough Access Fundraiser a Big Success

2019-01-07 21:16:00-05
Charlie Walbridge

Tonight American Whitewater presented the Town of Friendsville, Maryland with a $5000 check towards the extension of the Upper Yough Access Parking Area. This, combined with a $1000 donation from Keelhaulers Canoe Club, made a strong statement of how much paddlers value the river and the town! Under the leadership of Mayor Spencer Schlosnagle and long time paddler and Friendsville resident Jess Whittemore the town raised $7 in additional funding for every dollar paddlers donated - just like they did on the initial construction! This makes these gifts a great value for the whitewater community. A big shout out and thank you to ALL who donated!

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Attention Virginia Boaters!

2003-04-24 00:00:00-04
Jason Robertson

During the high waters of Spring 2003, there has been a noticeable increase in reported confrontations between boaters and property owners in Virginia. Please remember to be respectful and courteous to property owners; do not trespass; and avoid confrontation in order to preserve access in the future.
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Tony Allred Jr

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Mark Anderson