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RiverBrain

Colorado – US

Class
V- to V
Length
0.6 Mile(s)
Typical season
May to July
Author
KSC

Current Flow

137 CFS

Gauge height: 1.12 FT

Reading from Jul 10, 2026 10:00 PM

0.42/hr (12h) 0.21/hr (24h)

Too Low

Don't bother

Primary gauge
CRYSTAL RIVER ABV AVALANCHE CRK, NEAR REDSTONE, CO Gauge detail & alternatives Live gauge ↗

Recommended levels

Minimum400
Average700
Maximum1,500

Recommended use

  • Kayaking
  • Rafting
  • Canoeing
  • SUP
  • Packrafting
  • Fishing

Struck-through craft are not recommended for this run.

Flow history — last 6 days

Photos

North Fork Crystal Scenery · 06-29-2013 · Photo by Kevin Cripps

Description

This is the only commonly run section of the North Fork of the Crystal River.  Like most of the area here, the run is short and feels more like kayak sledding than actual paddling.  That said, it's a wonderful excuse to spend some time in this exquisite corner of the world.  Access is via a 4WD drive road, but you'll be sorry if all you have is a Subaru.  Good clearance is a requirement.  

From the confluence with the South Fork, the road passes high above a narrow gorge with a precipitious drop off.  Although it looks enticing, the claim is that the gorge contains an runnable drop and is not worth the effort.  After exiting the gorge and at the border of the forest there's a scree slope with a relatively friendly gradient.  This is the take-out for the run.  A little over half a mile upstream is the put-in.  Because the run is so short, all the features are easily recognized via road/trail scouting.  

The first half of the run is the top 5 drops, which oddly enough are often called the top 4.  I'm not a "math expert" (well, I do have a B.S. in mathematics), but I count 5.  The usual protocol is to run laps on the top half until you can't take any more or you screw up a line and get scared.  The bottom half drops into a narrow gorge, and although it maintains significant gradient, the drops are much less clean and often chokes up with wood.  The entire gorge can be scouted from the rim.  A nasty undercut in the middle of the gorge is often portaged.  

 

The gauge on this run is far downstream. The recommended flows are based on the downstream gauge, not the actual amount of water in the run.

Rapids

# Rapid Class Recommended flow Description Scout
1 Cake V- —–—

This 50 foot stair stepping slide is a pretty stairforward slide down the left or right side.  All you have to do is keep our boat pointed straight.

2 Icing V —–—

Everybody knows that the best part of the cake is the icing.  This is the best drop on the run with a slightly technical entrance leading into about a 30-40 foot slide with a bit of vertical at the end.  You'll feel some effects of that 9.8 m/s acceleration due to gravity by the time you hit the bottom.

3 Slot #1 IV+ —–—

Run the slot on the right or left side.  The left side is a bit more of a squeeze, but was the only option when I was there due to wood blocking the right side.  Both sides go.

4 Slot #2 IV+ —–—

Enter left and move center with the flow.

5 The Perfect 10 V- —–—

A clean 10 foot boof ledge into a pool that goes just about anywhere you run it.

6 The Gorge V —–—

The gorge consists of several drops in the bottom half of the run.  The entrance requires making a boof and saying straight and upright throw a manky slide.  Once you've run the first slide you're fairly committed to the gorge.  A couple of small ledge holes lead into what appear to be the crux of the gorge.  At low water a signficant amount of water is pushing into an badly seived out rock that's not inclined to eat a boat, but could easily cause a flip.  The drop can be portaged on river right.  A technical set of manky ledges follow and an exit waterfall in the 12 foot range, followed by a few more stair stepping ledges. 

Access

No river access points added yet.

Camps

No river camps added yet.

Permit

No permit is required, or permit info hasn't been added yet.

Fishing

No fish species have been associated with this run yet.

Community Run Notes

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