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13,013 ft · Mosquito Range, Colorado

Pennsylvania Mtn

Pennsylvania Mtn is a 13,013 ft peak in the Mosquito Range, Colorado. The standard route is the Pennsylvania Mtn SE Ridge: 5 mi, 1,550 ft of gain, Class 1.

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Pennsylvania Mtn in the Mosquito Range, Colorado

Pennsylvania Mtn at a glance

  • Elevation13,013 ft3,966 m
  • RoutePennsylvania Mtn SE RidgeClass 1
  • Distance5 mi1,550 ft gain
  • Time3 – 5 hrsModerate effort
  • SeasonJul – Sep
  • RangeMosquito RangeColorado

Climbing the Pennsylvania Mtn SE Ridge

Pennsylvania Mtn sits in the Mosquito Range. The usual ascent is Pennsylvania Mtn SE Ridge, rated Class 1. Plan about 5.3 miles round-trip with roughly 1,550 ft of gain from about 11,710 ft. The trailhead is typically reachable by passenger car. Summer monsoon storms build fast, so start early and be off the summit by early afternoon. Stay on the trail, carry layers for cold wind, and turn around if weather builds. Stats and approach details follow climb13ers.com. 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

Quests with Pennsylvania Mtn

Peaks near Pennsylvania Mtn

  1. London Mtn

    London Mtn

    13,199 ft · 1.6 mi away

  2. Mount Evans

    Mount Evans

    13,591 ft · 2.2 mi away

  3. Dyer Mountain

    Dyer Mountain

    13,861 ft · 2.8 mi away

  4. Mount Sherman

    Mount Sherman

    14,036 ft · 3.1 mi away

Frequently asked questions

How tall is Pennsylvania Mtn?

Pennsylvania Mtn is 13,013 feet (3,966 m) tall. It is in the Mosquito Range, Colorado.

How does Pennsylvania Mtn rank among the Colorado 13ers?

At 13,013 feet, Pennsylvania Mtn is the 574th highest of the 582 Colorado 13ers. The highest is Grizzly Peak.

How hard is it to hike Pennsylvania Mtn?

The Pennsylvania Mtn SE Ridge is Class 1, which means hiking on a trail. Yak rates the overall effort moderate: 5 miles with 1,550 feet of elevation gain.

How long does it take to hike Pennsylvania Mtn?

Most people take 3 – 5 hours round trip on the Pennsylvania Mtn SE Ridge, covering 5 miles with 1,550 feet of elevation gain, so most people do it in a day.

Can a beginner hike Pennsylvania Mtn?

Usually, if you are fit. The Pennsylvania Mtn SE Ridge is a common first summit for hikers ready for 3 – 5 hours on their feet. Bring layers, food and water, and check the weather before you start.

Will you get altitude sickness on Pennsylvania Mtn?

You might. Most people feel the altitude above 8,000 feet, and Pennsylvania Mtn reaches 13,013 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 Pennsylvania Mtn?

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 Pennsylvania 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 Pennsylvania 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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