Difficulty III-IV
Length 14 Miles
Flow Range 1000 - 4000 CFS
Flow Rate as of: 50 minutes ago 164 [CFS]
Reach Info Last Updated 12/30/2019 4:24 pm

River Description

FUN FACT: Fun drops, good play spots, short drive from downtown Seattle, and an incredible gorge.

SEASON: October to May after heavy winter rains.

EVENTS: The annual Green River Cleanup takes place in spring every year and is coordinated by Washington Recreational River Runners and Friends of the Green River.

TAKE-OUT: Most kayakers take out at Franklin Bridge. This bridge is where Green River Gorge Rd. crosses the river. The pace of whitewater slows considerably a short distance beyond the bridge. Although rafters continue the float through the gorge down to Flaming Geyser State Park, most kayakers are ready to call it a day at the bridge (alternatively, you can put-in at Franklin Bridge for a beginner-intermediate trip down to Flaming Geyser). To reach Franklin Bridge from Black Diamond take Lawson St. which becomes Green River Gorge Rd. 4 miles east out of town to the bridge across the Green River Gorge. The takeout is on the right just before you reach this bridge at a gated parking area that is clearly marked as private property. The gate is usually not locked, but make sure you pull the gate shut when you leave. Check with the Washington Kayak Club for current access information and the combination. They arrange for kayaker access (make sure your dues are paid up). Be sure you keep your trash picked up. It is a bit of a hike up from the river to the parking area but not too bad as long as you're on the trail. If your group does not know where the takeout is, it's worth a quick hike down to the river from the parking lot. One trail heads down the hill at the far corner of the parking lot. To reach a slightly lower take-out, follow the road at the end of the parking lot and take an immediate left down another road that extends about 100 yds. From here, head to your right and a short trail that ends at the river.

PUT-IN: From the take-out continue across Franklin Bridge and in 0.5 miles turn left up SE Green River Rd. In 1.8 miles this road will swing hard to te left and becomes 352nd. Continue another 0.3 miles and then turn left on to Cumberland-Kanaskat Rd. (you'll see a sign for Kanskat-Palmer State Park here). Continue 2.3 miles on Cumberland-Kanaskat Rd. and turn left into Kanskat-Palmer State Park (Discover Pass required). Follow the kayaker signs and when you get to a junction indicating you can go either way, head right to reach the upper put-in. If you follow the other road towards the left, an alternative put-in, you will miss Ledge Drop 1.

SHUTTLE: This would be a tough one to hitch. Get out the Gazetteer and beware of shuttle drivers who "think" they remember the sequence of turns. Be sure to watch your speed as you drive through Kanskat-Palmer State Park.

The Green River Gorge is one of the best whitewater trips close to Seattle. Challenging and nearly continuous whitewater, some fun play spots, and incredible scenery make this a place you can't get too often enough. The catch is finding the river with water in it. The ever increasing demands of urban growth and endangered salmon come before paddlers (see King County's Green River Watershed site for the latest information), but after a day or two of intense winter rains you are nearly always guranteed to find the gorge with water.

Another trick to this run is figuring out what the engineers will be doing with the gates--will they open the gates and let more water in or will they shut them down by the time you arrive? Although discharge from the dam often remains constant through the weekend, the engineers do adjust flows over the weekend at high flows of most interest to boaters.

Once you get to the river the action starts within the first 50 yards at Ledge Drop 1 (video footage). At higher water Ledge Drop 1 can be a fun play wave. The river then snakes along the edge of the park, you pass a second access point at a nice set of surfing waves, and then enter the gorge (marked with warning signs). There are several fun rapids (class III and IV) in the gorge. At the lower limit of flows rapids are less continuous with plenty of space to collect yourself before the next drop, but at higher flows these rest spots start to disappear and the class III sequences start to push class IV and the run becomes more continuous.

After about a mile and a half containing several class III rapids you'll reach Pipeline (video footage). This rapid can push class IV but if you're on your line it's fairly straight forward. The drop is at sharp right bend with a boulder bar that extends out from river right. As you round the corner head back hard to river right to avoid the large reversal on river left--the Pipeline which can be hard to see until you're right on top of it.

A few bends after the Pipeline you'll come to the most significant class IV sequence on the run at Mercury and the Nozzle. You can recognize the approach from the powerlines overhead followed by an island with most of the flow going to river right. From this point it's one class III rapid down to the top of Mercury. It's a bad place for swims so be sure your skills are solid if you enter the gorge. If you swim at the entrance to these drops, rescue is very difficult until you've gone through a rather long sequence of rapids and there have been accidents here. The drops are a hoot if your skills are up to it, but can be a real drag if you're chasing swimmers. Be especially careful at low water levels (under 1000 cfs). Although the gorge is sometimes run at these levels some dangerous sieves begin to appear.

You can normally boat scout Mercury and the Nozzle. As you come around the right side of the island head left and you'll quickly be in Mercury. After going through Mercury (video footage), which is a fairly open rapid, there is a good eddy on river left to get set up for the Nozzle at flows up to 4000 cfs. As flows increase you'll probably want to grab the eddy to river right. The Nozzle is a chute between two large boulders and the preferred line is to take this center slot ( video footage). At high flows (above 5000 cfs) the boulders form two large holes. You can still thread them but it's a little intimidating as the drop is very hard to scout and has few landmarks (it pushes class V). The hole to the right is particularly sticky and rescue is basically impossible. At higher water (around 9000 cfs) another option is to run the far right slot, but there is a dangerous sieve here that becomes a death trap at low water (accident report). After running the Nozzle there are several challenging class III+ rapids through a large boulder field before the river settles down for a brief recovery and more good class III rapids (video footage) all the way to the take-out at Franklin Bridge.

As Franklin Bridge comes into view far overhead (video footage) you are nearing the end of the run (note that rafters typically continue on down through the class II and III rapids to Flaming Geyser State Park). Paradise Ledge is a fun playspot that comes shortly after the bridge to the river right side of a large rock (Korb shows how it's done, video footage). You can hike up to the parking lot on river right at a muddy trail just below the ledge. Alternatively, you can continue down through the next set of class III rapids and pull out to the lower access. Pay attention as you boat through this section as it's easy to miss the take-out. There are a few spots where you can climb up and your choices are basically a long gradual climb or a steep muddy scramble.

The run from this point down is a fine beginner-intermediate run, and many kayakers use the Franklin Bridge access as a put-in for the scenic float down to Flaming Geyser State Park.

Rapid Descriptions

Ledge Drop One

Class - III Mile - -56.2

Ledge Drop One is immediately downstream of the put-in. Normally you can find a good line by entering the right side and following the tongue.

Ledge Drop Two

Class - III Mile - -55.7

Just around the corner from the downstream access point in Kanaskat Palmer State Park you come to Ledge Drop Two. Follow the current around the left and then thread your way the hydraulic at the end.


Class - III+ Mile - -54.5

Always a tricky one that has caused many flips. Generally follows the current around towards river left but then drive back to the right to avoid the hole at the bottom.


Class - IV Mile - -53.8

Keep your eyes out for the powerlines overhead. As you pass under the powerlines and take the river right channel at a small island you will be at the top of Mercury. This marks the start of the most challenging half mile of whitewater on the run. To run Mercury take the right side and grab the eddy on river left to set up for the Nozzle.


Class - IV Mile - -53.7

On the Nozzle it's important to line up for the center slot between the two large boulders. The far right slot has a severe pin hazard that has caused trouble.

Let's Make a Deal

Class - III Mile - -53.6

At lower flows this section is not much trouble but at higher flows things happen fast and hydraulics start to form around the large boulders downstream of the Nozzle. You have a couple slots to choose from.


Class - Mile - -51.1
Rapid Thumbnail Missing

One of the most scenic sections of the river is a nice float as after you pass under Franklin Bridge.

Paradise Ledge

Class - II+ Mile - -51

A fun play spot around 1400 cfs. Some come here for park and play.

Grand Canyon of the Green

Class - II Mile - -48.8

One of the most beautiful sections of the Lower Green

Highway 169 Bridge

Class - Mile - -47.1

As you pass under the bridge it's another 2 miles down to the take-out at Flaming Geyser State Park.


default user thumbnail
Celia Parker
1 year ago

We did Lower Green Gorge on Thanksgiving 11/22/2108. The log is broken off. The river is passable. The top of the tree landed on river left at top of the fish hatchery drop. It is clear of the drop entry on the right. There were no blocking issues. -Celia Parker

default user thumbnail
Celia Parker
1 year ago

Sept 29th 2018 Saturday ran Lower Green Gorge. At horseshoe bend there is a tree spanning the river with root wad on river left. We portaged on the right. The river is calm enough in the bend to safely get out on the gravel bar to walk around without any issues. Washington Kayak Club has posted pictures on their forum.

default user thumbnail
Sarah Swezey
2 years ago

Ran Green today (4/15/2018) @2980 cfs. No wood blocking entire section of river; although there are some spots with wood. All can be avoided.

default user thumbnail
Bob M
3 years ago

The river wide wood on the lower gorge is gone. Also SE Green valley road is closed (possibly though march) just east of the enterance to Flaming Geyser state park. This means an alternate shuttle route will be needed for most.

default user thumbnail
Rick Schoen
6 years ago

4/2/14 at ledge drop 2. The left route at the top there looks blocked with a wood pile. This is just below the small rocky island at the top of the drop. We went a bit right of all and at the 1100 cfs we had it was a bit bumpy, but we were able to get back left. From below we were able to see there is a perhaps 15-20 ft. wide passage thru the wood; this is where I usually go but was unseen from above. I think we’ll just have to be very careful there until another big water hopefully removes the wood? Another hunk of wood could totally block the channel. I think I will go slowly to the left of the small island to visualize all this, and be able to hop back right if needed.

default user thumbnail
8 years ago

The combo lock is back in place but with a keyed lock as well. Please make sure you lock the gate behind you when you go in, and also be sure you link the locks together so that either one will open the chain. Super important that we keep the gate closed, even if you are about to leave in 10 minutes. Some non boaters got stuck in there and used a chain to pull the gate apart. we are inches away from loosing access here!!

default user thumbnail
Jon Corriveau
8 years ago

Ran the Upper and Lower Gorge on 03/07/12 at 1300 cfs. The run is completely clear of wood hazards. The Nossle is clear! One large log wedged on Stano rock at Let's Make a Deal but easily bypassed on left.

default user thumbnail
Thomas O'Keefe
19 years ago

posted to WKC site 3/25/01


Hi Folks, I'm a Ranger at
Kanaskat-Palmer State Park. I have a
safety concern to voice. This last
weekend we had some nice weather
and the first release of water from the
dam in a long time. I enjoy rafting and I
know how excited people are to get
into the Green River. However, there
has been a huge problem with
speeding through both
Kanaskat-Palmer and Flaming Geyser
Parks. I personally saw a couple dozen
kayaker's doing 30-40 in the 15 MPH
zone last Saturday alone. I don't know if
they were all members, but I did see
some decals. We are very concerned
with the safety of both visitors and
employees, so maybe people can
watch their speed a little better.
Otherwise some traffic infractions may
be written, and nobody really wants
that. Thanks for listening.

Park Ranger #311

Gage Descriptions

USGS gauge, Army Corps of Engineers gauge (with reservoir information including inflow), the Corps is no longer providing their weekend outlook report for project operation. The Crops does however provide information on project operations that is integrated into NOAA's Green River forecast. You can also call the dam directly at 206-764-6975 or project office at 206-764-6702 if you want to find out what they'll be doing with flows over the next couple hours. Most consider flows of 1200-2000 cfs to be ideal and this is the recommended range for your first run. 1450 cfs is a great level for Paradise Ledge. At flows of 2000-4000 cfs this is a fun expert bigwater run. At flows up above 5000 cfs, things get very big and pushy. It has been run up above 10,000 cfs, but you'd better know the lines.

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  
2018-03-18 Low Near Miss/Rescue Inexperience Read More
2012-05-12 n/a Fatality Cold Water Read More
2008-05-18 High Fatality High Water Read More
1999-05-08 Medium Fatality One Boat Trip Read More
1990-11-28 High Fatality Solo Paddling Read More





Thomas O'Keefe




David Elliott



Revision #Revision DateAuthorComment
1212503 05/30/19 Thomas O'Keefe updated image position
1214086 12/30/19 James updated stats
1198960 12/04/10 Thomas O'Keefe abstract added
1191917 05/04/09 Thomas O'Keefe n/a
1201197 04/20/12 David Elliott Spelling and parking info fix.
1205846 01/29/16 Thomas O'Keefe broken gage link fixed
1205843 01/29/16 Thomas O'Keefe gage info update