Boundary Canyon

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Boundary Canyon Canyoneering Canyoning Caving
Also known as: Boundary Canyon out MIA.
Rating:
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Boundary Canyon Banner.jpg

Difficulty:3C IV (v3a4 IV)
Raps:‌10, max ↨100ft
Metric
Overall:5.5-18h ⟷6.6mi
Descent: ⟷1mi ↓948ft
Red Tape:No permit required
Shuttle:None
Vehicle:Passenger
Rock type:Sandstone
Start:
Parking:
Condition Reports:
24 May 2025




"Boundary Canyon conditions were very dry. Only one section of Boundary had ankle deep water (section with the deadman anchor); we bypassed this deadma

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Weather:
Best season:
Late spring; summer; fall
winterspringsummerfall
DecJanFebMarAprMayJunJulAugSepOctNov
Regions:


Introduction[edit]

A classic slotty watercourse canyon with a bit of nice sculpting. When flowing, this canyon is described as a “mini Kolob”.

Approach[edit]

Park at West Rim Access. The road beyond is gated. One must hike the remaining dirt road to a turn off then follow overgrown trails through the woods to the drainage.

Descent[edit]

R1: 60’ off tree at the head of the watercourse.
R2: 100’ off bolts Canyon Right.
R3: 50’ off log in the watercourse. Use caution if combining R2 and R3, as your rope may fall onto the first stage and become stuck around the logs.
R4: 40’ off log in the watercourse.
R5: 30’ off bolts Canyon Right.
R6: 100’ off bolts Canyon Left down to an arch and pool.
R7: 80’ off bolts Canyon Left (two stage).
R8: 100’ off log in the watercourse down a chute.
R9: 50’ off log in the watercourse.
R10: 50’ off bolts Canyon Left out of the slot / technical section.

Exit[edit]

The typical exit has you follow the creek down to the confluence with Kolob. From there, continue down to the MIA exit trail.


'Sneak Exit'

There is a sneak exit that has been around for some time; it has now just been discovered by RopeWiki authors. Roughly 500’ down-canyon after the last rap there is a drainage that can be climbed. Climbing out will put you at the top of a saddle from which you can then hike back to R1 and retrace your steps. Occasionally, there are fixed ropes that require ascenders, but do not depend on these being there; winters are extremely tough in this area. If you are bent on exiting via the Sneak Exit, you should walk down the gully(from R1) and fix your own ropes. Canyoneers should use the exit ropes with an ascender and beware of loose rocks while climbing. The Express Exit is already seeing heavy erosion from foot traffic up the steep slope- while convenient, it's not the best option for LNT.

The start of the cut-in trail for this exit is here: 37.39419, -112.99597

Top of gulley is here: 37.39432, -112.99819

Red tape[edit]

Access to this area requires a permit from the LDS Church.

The MIA exit is on land owned by the LDS Church. Email them at [email protected] to obtain and complete the required paperwork.

Alternatively, exiting down Kolob to the Narrows will require a Narrows day-use permit and perhaps also a Kolob Canyon camping permit, depending if (and where) you plan to camp.

Beta sites[edit]

Trip reports and media[edit]

Background[edit]

Credits

Information provided by automated processes. KML map by (unknown). Main photo by (unknown). Authors are listed in chronological order.

In all habitats live animals and plants that deserve respect, please minimize impact on the environment and observe the local ethics. Canyoneering, Canyoning, Caving and other activities described in this site are inherently dangerous. Reliance on the information contained on this site is solely at your own risk. There is no warranty as to accuracy, timeliness or completeness of the information provided on this site. The site administrators and all the contributing authors expressly disclaim any and all liability for any loss or injury caused, in whole or in part, by its actions, omissions, or negligence in procuring, compiling or providing information through this site, including without limitation, liability with respect to any use of the information contained herein. If you notice any omission or mistakes, please contribute your knowledge (more information).