San Joaquin, CA
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2. Chawanakee Gorge (Dam 6 to Reddinger Reservoir)
Class V
8 Miles
Avg Gradient 137 fpm
Probe!
Probe!Photo by Paul Martzen taken may 15, 2003 @ 600 cfs
River Description
Chawanakee Gorge may be one of the best 1 day, class 5 runs in California or in the USA, or in the northern hemisphere according to some of a team of boaters in 2003, who paddled this section to study the recreational potential and quality of the river. Others in the group just said, "Wow!" They reported that there are as many as 40 to 50 big drops in the 5.6 miles of river.
John Gangemi says, "If the creation myth is true, then God was a boater! Boating just can’t get much better than Chawanakee. Mix up 50-60 Class IV to V drops, smooth Sierra granite domes, tributary waterfalls tumbling 400 feet into the gorge, lots of house-size boulders, water and you’ve got a paddler’s mecca."
There were only a couple mandatory portages. All class 5 drops were potentially portagable, but some class 4+ drops might not have portage routes. Portages are over boulders.
Though the river is pool drop at the optimum flow, the difficult rapids are unrelenting, with amazing class 5 drop after class 5 drop.
There is a very pretty bicycle ride along the rim of this gorge on a gated, paved road. You can see perhaps 50% of the rapids from this road. There is also access between road and river by a stairway to a gauging station, about 1/3 of the way into the run. Escape from the gorge at other points would be very difficult.
American Whitewater is presently working to get boatable releases into this section on a regular basis in the future.
Take-out: Italian Bar Road bridge across Reddinger reservoir. It would be nice to get out closer to the mouth of the river near the powerhouse, but there is no public access to the river or reservoir in that area. Paddle about 1.4 miles from the river across the reservoir to this bridge access point.
Put-in at the bridge at Mammoth powerhouse. Paddle down the reservoir about 1 mile, to the right side of the dam. Get out on rocks a few feet from the lip of the spill and walk across the spill to an awkward downclimb through bushes, poison oak, and over steep rock. Once at the water the difficulties begin.
The 8 miles given as total length of run includes 1 mile of flatwater to start, 5.6 miles of river and 1.4 miles of flatwater at the end.
Driving Directions: It really helps to have a good map of this area. From Fresno take highway 168 through Prather. Turn left onto Auberry Rd to Auberry. In Auberry, at the junction of Powerhouse Rd and Auberry Rd you have a choice of scenic routes. You can stay right on Auberry Rd, then in a few miles turn left onto Jose Basin Rd (towards Mono Winds Casino). Stay left in the small community and follow Jose Basin Rd to Chawanakee Flats and Redinger reservoir. Alternatively, in Auberry, you can bear left onto Powerhouse Rd and follow it to Kerchoff Reservoir. Just across the bridge at Kerchoff turn back right onto Road 235 which winds over a hill to Reddinger Reservoir. Continue a long ways around the reservoir past the junction with Rd 225 to Italian Bar Bridge.
From Reddinger to the put-in: Turn north onto Rd 225 towards North Fork. Turn right onto Minarets Road towards Mammoth Pool. Turn right onto forest service road 8S03. (if you see Clearwater ranger station, you have gone too far) Drive down this steep and very windy road to the Put-in.
From the north, take highway 99 to Madera. Exit at the Millerton Lake - Yosemite turnoff. In Madera turn left onto W. Cleveland Ave, then turn left onto E. Yosemite Ave / highway 145. Follow highway 145 east to Friant. Turn left on Friant Rd and follow signs to Prather and then Auberry.
----------------- More Comments --------------
Nathan Hunkapiller writes:
Chawanakee was a challenging and fantastic run. 350 cfs (if that's what
we had) was a sufficient flow although 100 or 200 more wouldn't have
hurt. A little extra would certainly have cleaned some drops up but may
have made others more scary. It only felt bony in a few places. I think
you were right about 350 cfs feeling a lot more like 600.
The scenery
within the gorge is on a grand scale. Just amazing! It's such a steep
walled gorge that once inside...you will be there till the end...except
for a freakishly steep staircase that drops all the way down into the
canyon at mile 1.6 courtesy of SCE. With the exception of all the
powerlines that line the canyon rim, Chawanakee was very reminiscent of
Bald Rock Canyon. The whitewater was certainly on a similar level. The
definining character was pool drop with a relentless mix of boulder
gardens, 6-10 foot ledges, and a few nice slides.
Around the end of the
first mile, the gorge becomes very narrow and deep for about 1/4 mile.
This was my favorite stretch, although it was certainly
intimidating...see picture.
Around mile 3 the whitewater intensifies and
one encounters a trilogy of BIG drops. Perhaps all of them are runnable
with the right mindset but they looked pretty full on. Portaging this
stretch was a serious undertaking and took us nearly 45 minutes. The
Class V continues most of the rest of the run but eases considerably in
the last mile.
Not including reservoir paddling, the two of us took
about 6 hours to complete the run at perhaps an average pace. Prior
knowledge of drops could reduce that by a few hours as there are
somewhere in the range of 40-50 class IV-V drops. We were in an out of
our boats countless times.
May 2, 2005 -------
Cgoold writes:
We did it this friday (July 28, 2006), with no 3000 cfs flow spikes or other insurmountable obstacles to report.
for the record, we'd call the run a "hard 5/easy 5+" ranking at 680 cfs. Maybe the rapids aren't the hardest ever, but the walled-inness adds a healthy dose of stress. Will I be able to scout or portage this drop? Should I go to the next eddy? In my opinion, 1000 cfs is going to be full-on in here. then again, if you knew what was below all those horizon lines with smooth walls on either side, you'd be much more comfortable at higher flows.
Having done the run at roughly 350 and 680 (cfs), I think most class 5 boaters would prefer flows in the range 400-500 for a mellower run. Only a few of the rapids needed the extra juice of 680 to be good.
Stevenson creek had 300-350 cfs. the river's much less congested below this confluence though except for one rapid with a huge hole; call the run 5- below the confluence even at 1000 cfs.
A GUIDE TO THE BEST WHITEWATER IN THE STATE OF CA, HOLBEK & STANLEY, 1988
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Last Updated: 2007-04-30 20:45:06
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