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- UN 13145
13,145 ft · San Juan Mountains, Colorado
UN 13145
UN 13145 is a 13,145 ft peak in the San Juan Mountains, Colorado. The standard route is the UN13,145 West Ridge: 3 mi, 475 ft of gain, Class 2.

UN 13145 at a glance
- Elevation13,145 ft4,006 m
- RouteUN13,145 West RidgeClass 2
- Distance3 mi475 ft gain
- Time2 – 4 hrsModerate effort
- SeasonJul – Sep
- RangeSan Juan MountainsColorado
Climbing the UN13,145 West Ridge
UN 13145 sits in the San Juan Mountains. The usual ascent is UN13,145 West Ridge, rated Class 2. Plan about 3.5 miles round-trip with roughly 475 ft of gain from about the trailhead ft. Summer monsoon storms build fast, so start early and be off the summit by early afternoon. Watch for loose rock, route-finding on talus, and brief exposed steps where the terrain steepens. Some figures are constructed from published elevation and trailhead; verify on climb13ers.com before relying on them. Bring layers for cold wind on the summit ridge.
Gear and hazards
What to bring
Backpack (25–35 L)
Hiking Boots
Water
Offline Maps
Headlamp
Satellite Communicator
Whistle
Sunglasses
Sunscreen
Sun Hat
Midlayer
Insulated Jacket
Hardshell Jacket
Warm Hat
Buff
Midweight Gloves
Trekking Poles
GPS Device
Power Bank
Water Filter
First-Aid Kit
Emergency Bivy
What to watch for
- Storms
- High altitude
- Route-finding difficulty
Quests with UN 13145
Peaks near UN 13145
Frequently asked questions
How tall is UN 13145?
UN 13145 is 13,145 feet (4,006 m) tall. It is in the San Juan Mountains, Colorado. It is also known as UN 13,145.
How does UN 13145 rank among the Colorado 13ers?
At 13,145 feet, UN 13145 is the 476th highest of the 582 Colorado 13ers. The highest is Grizzly Peak.
How hard is it to hike UN 13145?
The UN13,145 West Ridge is Class 2, which means off-trail hiking with some use of your hands for balance. Yak rates the overall effort moderate: 3 miles with 475 feet of elevation gain.
How long does it take to hike UN 13145?
Most people take 2 – 4 hours round trip on the UN13,145 West Ridge, covering 3 miles with 475 feet of elevation gain, so most people do it in a day.
Can a beginner hike UN 13145?
Usually, if you are fit. The UN13,145 West Ridge is a common first summit for hikers ready for 2 – 4 hours on their feet. Bring layers, food and water, and check the weather before you start.
Will you get altitude sickness on UN 13145?
You might. Most people feel the altitude above 8,000 feet, and UN 13145 reaches 13,145 feet. Spend a night or two at elevation first, drink plenty of water and turn back if a headache, nausea or dizziness gets worse.
What time should you start hiking UN 13145?
Early. Afternoon thunderstorms are common in summer, so aim to be off the summit and the exposed upper mountain by early afternoon.
When is the best time to hike UN 13145?
The usual hiking window is July to September. Outside it, expect snow, storms or closed access, and check the summit forecast before you go.
Climb UN 13145 with Yak
Plan your route on a topo map, check the summit forecast, then log your climb and see what is left on your list



