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Headed to the canyon this winter Dec 17th-Jan 7th and I've seen conflicting data on winter releases. Most things I'm reading mention the water level is much lower than other times of the year. I'm crossing my fingers for big ass rapids so any info is appreciated!
 

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Headed to the canyon this winter Dec 17th-Jan 7th and I've seen conflicting data on winter releases. Most things I'm reading mention the water level is much lower than other times of the year. I'm crossing my fingers for big ass rapids so any info is appreciated!
GC flows are correlated to power demand in Peenix. Your time frame is the coldest of the year there. Thus, releases will be on the higher end of the spectrum: same as high summer when everyone's cranking their AC, and more than spring or fall when power demand is relatively lower.

I'd expect a range in the neighborhood of 10,000 to 18,000 cfs daily. Mind the tides when choosing campsites and parking boats!
 

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Have an awesome trip down there! We launch dec. 18th next year, so would love to hear about it. Sounds like you should have great water like mike said, with the high power demand.
Kinda off topic, but have been taking a hot tent on winter trips recently, has been awesome!
Mine is an 8 man from seek outside, with the large size wood stove, just took it on west water, and it made a world of difference! Hang out/ go to sleep in a warm place, wake up and restart fire before you get up, warm, dry gear to put on in morning, was worth every penny.
Thought i'd share, more gear to buy, but might be a worth while group expence, think our low's this weekend were in low to mid 20's, average low's at phantom should be warmer then that, which makes me happy. :D
 

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Thanks a bunch

I appreciate the feedback y'all! I'm beyond excited and looking forward to some big water. Cold cold cold. I'm prepped and ready though!
 

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Even when the flows are lower, there is still bigger water down there. Around the 6k-8k range the Roaring Twenties come to life for example. Georgie lives up to her (Grand Canyon size rating of 1-10) rating at lower flows and is SUPER fun.

Some stuff washes out while other stuff comes out. However, at lower flows, all the big ones get pretty mellow in a raft for the most part (Granite, Hermit, Lava). Crystal has lots of different personalities at various flows. I've only gotten to run Hance once since it's new rockslide a few years back, though lower flows the center to right line is techie and fun.

I recommend grabbing a "sun dial," which is a listing of the popular camps that tells you when the sun rise/sun set hits each camp depending on the month. Super handy in the winter. I've got one around here somewhere if you need it.

Enjoy!!
 

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I recommend grabbing a "sun dial," which is a listing of the popular camps that tells you when the sun rise/sun set hits each camp depending on the month. Super handy in the winter. I've got one around here somewhere if you need it. Enjoy!!
So I tried to google this sundial. Where exactly can i find one of these?? Launching Dec 12. Thanks.
 

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If you look at the data from the last five years for the time you are going down and the projection from the Bureau of Rec. it looks like you will have flows between 10k and 20k. which is not to bad, a lot of good rides i you time the high water for your rapids. Its a little tricky to figure out the tides if you can't add or don't pay attention for the first few days. Totally agree time hermit at high water for a fun ride and yes between those levels your boats will need tending at night so they don't end up on rocks. Have a great trip! Hike as much as possible to stay warm!! Matkat canyon is a magical place!!
 

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December Colorado River flows Confirmed

Here is the latest information from the Glen Canyon Dam people, released November 24:

This notification confirms that the release volume from Glen Canyon Dam for December 2015 will be 900,000 acre-feet. Hourly releases during December 2015 are anticipated to fluctuate between approximately 19,000 cfs in the daytime and approximately 11,000 cfs in the nighttime.

We anticipate the release volume for January 2016 will be approximately 900,000 acre-feet with fluctuations between approximately 11,000 cfs and 19,000 cfs.

The anticipated release volume for February 2016 is 700,000 kaf with fluctuations between approximately 9,000 and 15,000 cfs. This will be confirmed in a subsequent notification toward the end of December.


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