UDOT Avalanche

Backcountry closures and highway avalanche control notifications for Little Cottonwood, Big Cottonwood and Provo Canyons.

[UDOT Avalanche @UDOTavy]

Attention Upper Little Cottonwood Cyn users!! UDOT will be using helicopters to place avalanche control devices in the LCC Superior Hellgate area, beginning Monday (10/26/26), 7am-4pm. Please be aware and avoid areas where helicopter is working. Thanks for the cooperation.

[UDOT Cottonwood Canyons @UDOTcottonwoods]

Crews transported equipment into steep, remote terrain to prepare our avalanche control systems for the upcoming winter.

Thank you to everyone who respected the temporary backcountry closure. Keeping the area clear allowed our crews to safely complete this important work.

[UDOT Cottonwood Canyons @UDOTcottonwoods]

Thanks for helping us get ready for winter! 🚁

Monday, our avalanche crews completed some maintenance using a helicopter on remote avalanche control equipment in the Cottonwood Canyons.

[UDOT Cottonwood Canyons @UDOTcottonwoods]

🚧 LCC Backcountry Closure

@udotavy is installing avalanche mitigation devices via helicopter.

📅 Date: Oct. 19
⏰ Time: 12 a.m. to 5 p.m.
📍Closure area: South ridge of Superior, Superior ridgeline to Cardiff Peak and Pass, and extends beyond East Hellgate

[UDOT Cottonwood Canyons @UDOTcottonwoods]

This is part of our annual avalanche mitigation maintenance to help keep the road open for your powder turns. We’ll share the confirmed date as soon as it’s finalized.The road will remain open, but please respect the closure! https://t.co/eujvJeJhY3

[UDOT Cottonwood Canyons @UDOTcottonwoods]

🚧 ATTENTION: Upcoming LCC Backcountry Closure

We’ll be closing the Superior / Hellgate backcountry area this month when weather conditions permit to fly up our crew to work on avalanche mitigation operations, which may include the use of explosives.

[UDOT Avalanche @UDOTavy]

Attn!! UDOT will be using helicopters to place avalanche control devices in the LCC Upper North side area, beginning Wednesday (10/7/2026), 7am-2pm. Please be aware and avoid areas where helicopter is working. Thanks for the cooperation.

[UDOT Avalanche @UDOTavy]

Attn!! Late season backcountry closure for removing avalanche mitigation equipment, LCC Upper North Side. Starting 5am 5/2/26 until 5pm 5/2/26. Please check the map and steer clear of the area and working helicopter.
@UDOTcottonwoods , @AltaCentral, @utavy_, @WasatchBCAlli

[UDOT Avalanche @UDOTavy]

LCC BC closure, Midcanyon North side, 3/6 5:30a to 4:00p. All terrain north of Little Cottonwood Creek from Gate B to Snowbird Entry 4 closed. Extends 1,000 meters into Big Cottonwood.
@UDOTcottonwoods,
@AltaCentral,
@utavy_,

[UDOT Avalanche @UDOTavy]

Backcountry Closure, LCC Hellgate Gazex, (2/24/26) 10:00 PM tonight to 08:00 AM (2/25/26), Superior through Cardiff closed.
@UACwasatch, @UDOTcottonwoods , @AltaCentral, @WasatchBCAlli

[UDOT Avalanche @UDOTavy]

BC Closure for LCC tonight 2/18 @ 10:00pm through 2/19 @ 08:30am Full canyon North side for avalanche mitigation work.

[UDOT Avalanche @UDOTavy]

We finished early! Hellgate BC closure lifted in LCC

[UDOT Avalanche @UDOTavy]

Attention first BC closure of the Season tonight 1/5/26 10pm until 1/6/26 8:30am. For Hellgate Gazex work.

[UDOT Avalanche @UDOTavy]

Attention!!! Backcountry Closure, LCC Full North Side, (12/3) 10:00 PM tonight to 08:30 AM (12/4), Gate B to Grizzly
@UACwasatch , @UTavy , @UDOTcottonwoods , @AltaCentral, @WasatchBCAlli

[UDOT Avalanche @UDOTavy]

Backcountry Closure - Big Cottonwood
Canyon: Broads Fork, Stairs Gulch, Powerhouse zones - Monday, Nov. 24 4pm through Tuesday, Nov 25 2pm.
Please avoid all areas in Broads Fork, Stairs Gulch and Powerhouse while we test fire artillery.

[UDOT Avalanche @UDOTavy]

Attention special closure for tomorrow am. 10/7/25 0500am to 1:00 pm. We will be placing Avalanche protection devices please stay clear of the closure areas. No road closures. Extensive helicopter work in the closure area.

[UDOT Avalanche @UDOTavy]

Attention Special closure announcement for 400 - 0800am 10/2/2025. UDOT Avy will be conducting Explosive Ordinance Disposal. This special closure will be accompanied by intermittent local road closures from Gate C/ Entry 1 to the top of the Bypass road and Superior Section

[UDOT Avalanche @UDOTavy]

Attn!! Late season backcountry closure for removing avalanche mitigation equipment, LCC Upper North Side. Starting 4am 4/29 until 5pm 4/29. Please check the map and steer clear of the area and working helicopter. Thanks!

[UDOT Avalanche @UDOTavy]

LCC Hellgate Backcountry Closure. Superior through Cardiff closed 4/1, 10pm to 4/2, 8am. Please stay EAST of Cardiff Bowl and out of areas underneath Cardiff.
@UACwasatch

@AltaCentral

@UDOTcottonwoods

[UDOT Avalanche @UDOTavy]

LCC Mid-Canyon North Side Backcountry Closure. Gate B- Snowbird Entry 4. 3/31/25 10:00pm to 4/1/25 5:00pm