Upper Twin Corral Box |

Robbers Roost

Canyoneering Upper Twin Corral Box - Robbers RoostHiking Upper Twin Corral Box - Robbers Roost Canyoneering Upper Twin Corral Box
Robbers Roost

Overview | Getting There | Route | Photos | Maps | Comments

Overview

RATING: 2A/B
LENGTH: 1+ hours

Sun

Sunny, with a high near 62. Breezy, with a south wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon.

62 | 34

Mon

A 30 percent chance of rain after noon.  Mostly sunny, with a high near 57. Windy, with a south wind 23 to 28 mph increasing to 36 to 41 mph in the afternoon. Winds could gust as high as 65 mph.

57 | 40

Tue

A 30 percent chance of snow, mainly before noon.  Mostly cloudy, with a high near 39. Breezy.  New snow accumulation of less than a half inch possible.

39 | 26

Wed

Mostly sunny, with a high near 43.

43 | 24

Thu

Mostly sunny, with a high near 48.

48 | 29

View Full Weather Details
SEASON: Spring, Summer, Fall (hot in summer)
GEAR: Standard Hiking Gear
RAPPELS: 0
WATER: Can hold a few pools.
FLASHFLOOD: Moderate

Sun

Sunny, with a high near 62. Breezy, with a south wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon.

62 | 34

Mon

A 30 percent chance of rain after noon.  Mostly sunny, with a high near 57. Windy, with a south wind 23 to 28 mph increasing to 36 to 41 mph in the afternoon. Winds could gust as high as 65 mph.

57 | 40

Tue

A 30 percent chance of snow, mainly before noon.  Mostly cloudy, with a high near 39. Breezy.  New snow accumulation of less than a half inch possible.

39 | 26

Wed

Mostly sunny, with a high near 43.

43 | 24

Thu

Mostly sunny, with a high near 48.

48 | 29

View Full Weather Details
Looking at the exit on a very snow day.

Looking at the exit on a very snow day.

Upper Twin Corral Box is a solid two-star canyon in my book, yet I have done it several times! A short section of narrow slots quickly opens to become a deep walled, wide, and easy to traverse canyon. Turns out that while only a two-star canyon, it happens to have excellent primitive camping at its head and several other camping spots nearby. That makes this a great canyon to camp at and wander down in the evening or morning while the rest of the group is lazily hanging out.

There are two options on the map., The first is a loop that exits a bighorn sheep trail and follows a Jeep road back to the trailhead. The second is to go down as far as motivation allows and return the same way. I've done the full loop once, but down and back several times. For virtually all groups I'd recommend down and back.

The canyon starts with several narrow downclimbs. Make sure you are comfortable reversing these! They are easy, but coming back up always requires a lot more energy that going down.

Note: My pictures are from winter trips. Take it from my experience, the exit trail will be difficult (or impossible) to find if there is much snow. Full loop not recommended in winter. I attempted the full loop on my first trip, and ended up reversing back up the canyon due to slick conditions trying to get out the bighorn sheep trail.
The view down the big rappel.

The view down the big rappel.

Great light on TCB.

Great light on TCB.

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