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13,513 ft · Front Range, Colorado

Ypsilon Mtn

Ypsilon Mtn is a 13,513 ft peak in the Front Range, Colorado. The standard route is the Ypsilon Mtn/Mummy Range Clean Out: 15 mi, 5,455 ft of gain, Class 2.

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Ypsilon Mtn in the Front Range, Colorado

Ypsilon Mtn at a glance

  • Elevation13,513 ft4,118 m
  • RouteYpsilon Mtn/Mummy Range Clean OutClass 2
  • Distance15 mi5,455 ft gain
  • Time11 – 13 hrsVery Hard effort
  • SeasonJul – Sep
  • RangeFront RangeColorado

Climbing the Ypsilon Mtn/Mummy Range Clean Out

Ypsilon Mtn sits in the Front Range. The usual ascent is Ypsilon Mtn/Mummy Range Clean Out, rated Class 2. Plan about 15.6 miles round-trip with roughly 5,455 ft of gain from about 11,040 ft. Expect high clearance for the drive. 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. Stats and approach details follow climb13ers.com. Bring layers for cold wind on the summit ridge.

Gear and hazards

What to bring

  • Backpack (35–55 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 Ypsilon Mtn

Peaks near Ypsilon Mtn

  1. Fairchild Mtn

    Fairchild Mtn

    13,509 ft · 1.2 mi away

  2. Hagues Peak

    Hagues Peak

    13,565 ft · 2.6 mi away

  3. Mummy Mtn

    Mummy Mtn

    13,420 ft · 3.3 mi away

  4. Taylor Peak

    Taylor Peak

    13,157 ft · 12.6 mi away

Frequently asked questions

How tall is Ypsilon Mtn?

Ypsilon Mtn is 13,513 feet (4,118 m) tall. It is in the Front Range, Colorado.

How does Ypsilon Mtn rank among the Colorado 13ers?

At 13,513 feet, Ypsilon Mtn is the 193rd highest of the 582 Colorado 13ers. The highest is Grizzly Peak.

How hard is it to hike Ypsilon Mtn?

The Ypsilon Mtn/Mummy Range Clean Out is Class 2, which means off-trail hiking with some use of your hands for balance. Yak rates the overall effort very hard: 15 miles with 5,455 feet of elevation gain.

How long does it take to hike Ypsilon Mtn?

Most people take 11 – 13 hours round trip on the Ypsilon Mtn/Mummy Range Clean Out, covering 15 miles with 5,455 feet of elevation gain. That is a long day, so start before dawn and set a turnaround time.

Can a beginner hike Ypsilon Mtn?

The Ypsilon Mtn/Mummy Range Clean Out needs no climbing skills, but it is a very hard day: 15 miles with 5,455 feet of elevation gain. Build up on shorter hikes first, start early and carry plenty of water and layers.

Will you get altitude sickness on Ypsilon Mtn?

You might. Most people feel the altitude above 8,000 feet, and Ypsilon Mtn reaches 13,513 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 Ypsilon Mtn?

Early. Afternoon thunderstorms are common in summer, so aim to be off the summit and the exposed upper mountain by early afternoon. At 11 – 13 hours round trip, many parties start in the dark.

When is the best time to hike Ypsilon Mtn?

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 Ypsilon Mtn 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

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