| Difficulty | II-III |
| Length | 81.7 mi |
| Avg Gradient | 19 fpm |
| Gauge | Muddy Creek Near Emery, Ut |
| Flow Rate as of 40 minutes | 7 cfsbelow recommended |
| Reach Info Last Updated | May 16, 2019 |
SEASON: Seldom runnable, but keep an eye on the gauge during late
May to June.
FUN FACT: The best way to experience the San Rafael Swell.
ACCESS: The long run (3 days) starts at the Highway I-70 bridge
across Muddy Creek less than a mile east of exit 97. Alternative access
points exist at Lone Tree Crossing, Tomisch Butte, Chimney Canyon, Salt
Wash, and the final take-out at the Highway 24 bridge in Hanksville. Keep
in mind that your shuttle can take several hours.
DESCRIPTION: Muddy Creek can be boated as a multiday trip, but
The Chute is often boated as a day trip.
Starting from I-70 Muddy Creek flows through ranch land as it cuts a
course across the desert. This first 11 mile section contains some class
II/III rapids.
The next section starts at Lone Tree Crossing. This infrequently
boated section has some great camping along the river as the river
begins to cut a course through the impressive geology of the San Rafael
Swell. There are few rapids in this 19 mile class I/II section.
The most popular section begins at Tomisch Butte. It's a long drive
from Highway I-70 exit 129. Follow the frontage road as it heads west
along the south side of I-70 and make sure you have a good map. There
is camping at the put-in and in the rare years when flows are good
floaters gather to paddle this 15 mile section that includes The Chute.
There are a few class II rapids along this section until you enter The
Chute which is a very impressive canyon up to 300' deep and only 7' wide
in places. This narrow box canyon is approximately 4 miles. There is an
access point at the end of this section at the Chimney Canyon trailhead
near the Hidden Splendor Mine.
Once you leave the access at the Chimney Canyon trailhead you will
leave the day trippers behind. It's another 5 miles of class I/II water to an
access point downstream from Salt W
Alternate access point for the short day run of the Chute at Tomsich Butte Trailhead.
The narrow box canyon that is the highlight of this run.
The airstrip at Hidden Splendor Mine is an alternate access point that serves as a take-out below the Chute. Don't park on the airstrip.
Alternate access that serves as a take-out.
Jun 10, 2023
Ran the muddy on 8/10/23 at 280 and it was amazing. The flow created rapids that i have never seen before on the river. Over half the river was class II splashy waves. The two biggest rapids one right before the chute and one right after were easily class III+ with the caveat that just like all class III if you miss the line you just stand up. Both are read and run and at this level the right channel is best.
At this level it was 4 hours and 15 minutes of paddles time. Shutte was 1 hour 45 but we drive fast. Roads were mostly good.
There was a tree about 30 after the chute that was river wide and at this level we could sneak over it on the right.
This is my fourth trip down the muddy and you can do it in a small raft but it would be misable since you will get stuck so many times on rocks and have to really work to get around stuff. Duckies and packrafts are by far better options on this river. At this level a hardshell would be fine but any lower than 200 and you will be stuck all the time.
Also, try and avoid the two person duckies with two people as they are hard to control with two people in them. One person a boat should be the rule. Maybe one adult and one kid but two adults will need experience to do this smoothly.
Jun 7, 2019
We ran the river on 6/7/19 at the level of 226 from Tomish Butte to the airstrip. With stops for lunch and a little carnage it took 5 hours and 45 minutes to run. We were in duckies and had a lot of beginners with us so it could have gone a lot quicker. The river peaks at Tomish Butte around 8am. So plan accordingly. It also tends to fall during the day so go prepared to walk if your trying a low water run. Low water runs have taken us 10 hours before and were so very painful with all the boats dragging over rocks all the time. Truly amazing scenery. The biggest planning for the trip is the shuttle which takes around 2 hours to complete. Road trip Ryan app has an excellent GPS way point map to get back there and to do the shuttle.