Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Routes
Hiking trails & Routes
United States
Pennsylvania
Tioga County

Green Monster Loop

Hard

3.3

(6)

74

hikers

Green Monster Loop

07:37

23.3km

1,020m

Hiking

Hike the difficult 14.5-mile Green Monster Loop in Tioga State Forest, featuring diverse terrain and scenic stream crossings.

Last updated: February 26, 2026

Waypoints

A

Start point

Get Directions

B

23.3 km

End point

Loading

Way Types & Surfaces

Way Types

12.0 km

10.9 km

328 m

< 100 m

Surfaces

20.1 km

3.03 km

< 100 m

Sign up to see more specific route details

Sign up for free

Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Today

Wednesday 1 July

34°C

22°C

23 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

Comments

guide_signup

Want to know more?

Sign up for a free komoot account to join the conversation.

Sign up for free

This route was planned by komoot.

Save

Edit route

Download GPX

Move start point

Print

Share

Embed on a website

Report an Issue

Report restricted access

Frequently Asked Questions

How long does it typically take to hike the Green Monster Loop?

The Green Monster Loop is a challenging hike, and the time it takes can vary significantly based on your pace and the specific loop option you choose. The main loop is approximately 23 km (14.4 miles) and can take around 7-8 hours for an average hiker. However, there are longer options, such as the 25K (16.2 miles) and 50K (31.5 miles) configurations, which will naturally require more time and sustained effort.

Is the Green Monster Loop suitable for beginners?

No, the Green Monster Loop is generally considered a difficult trail and is not recommended for beginners. It features significant climbs and descents, varied terrain, and numerous unbridged creek crossings that can be challenging, especially during high water. Hikers should be prepared for sustained effort and have prior experience with challenging trails.

What is the terrain like on the Green Monster Loop?

The terrain is quite varied. You'll encounter wide single and double-track paths with solid dirt treadways, but also steep ascents and descents. While less rocky than many Pennsylvania trails, some sections can be wet or mucky, particularly in stream bottoms. The route navigates along ridgelines and through hemlock gorges, with specific sections like Deer Trail and Stinger known for their steep climbs. Conversely, Plantation Trail and Stone Trail offer flatter, faster stretches.

Where can I park to access the Green Monster Loop?

Specific parking information for the Green Monster Loop trailhead is typically available through local forest service maps or event organizers for the annual Green Monster Challenge race. As it's located in Tioga State Forest, designated parking areas for trail access are usually well-marked. It's advisable to check the Tioga State Forest website or local visitor information for the most current parking details before your visit.

Can I bring my dog on the Green Monster Loop?

Yes, dogs are generally permitted on trails within Tioga State Forest, including the Green Monster Loop. However, they must be kept on a leash at all times. Given the challenging nature of the trail, including steep sections and unbridged creek crossings, ensure your dog is fit enough for the hike and that you carry enough water for both of you.

When is the best time of year to hike the Green Monster Loop?

The best time to hike the Green Monster Loop is typically during the spring, summer, and fall months. Mid-June is particularly beautiful due to the vibrant mountain laurel blooms. However, be aware that unbridged creek crossings can be challenging during high water periods, especially in spring after snowmelt or heavy rains. Fall offers stunning foliage. Winter hiking is possible but requires appropriate gear and experience due to snow and ice.

Do I need any permits or pay entrance fees for the Green Monster Loop or Tioga State Forest?

No, there are typically no entrance fees or permits required for day hiking on the Green Monster Loop or within Tioga State Forest for general recreational use. However, if you plan to camp overnight or engage in other specific activities, it's always best to check the official Pennsylvania DCNR (Department of Conservation and Natural Resources) website for any specific regulations or permit requirements that might apply.

What are some notable features or scenic spots along the Green Monster Loop?

The Green Monster Loop offers beautiful scenery throughout. You'll find scenic streams with cascades and small waterfalls, particularly along Straight Run. The trail passes through diverse forest types, including hemlock gorges and birch forests, and areas abundant with mountain laurel. Deep glens and occasional small meadows add to the visual appeal, providing a sense of natural beauty and isolation.

Does the Green Monster Loop connect with other trails?

Yes, the Green Monster Loop is part of an extensive trail system and incorporates sections of several other trails. The route also passes through sections of the Plantation Trail, Oil Well Hollow Trail, Deer Trail, and Horse Lane Trail, offering various configurations and connections within Tioga State Forest.

What kind of challenges can I expect on this hike?

Expect significant elevation changes with sustained climbs and descents, including steep sections like Stinger Hill. A major challenge comes from the numerous unbridged creek crossings, which can be difficult or even dangerous during high water. Some sections can also be wet or mucky. While generally less rocky than other PA trails, the length and varied terrain demand good physical conditioning.

Are there any specific sections of the trail that are particularly rewarding or challenging?

Absolutely. Sections like Deer Trail and Stinger are known for their steep and difficult climbs, providing a significant test for hikers. Conversely, the Plantation Trail and Stone Trail offer relatively flat and fast stretches along oak-covered ridge tops, providing a welcome change of pace and opportunities for quicker progress. The scenic streams and waterfalls along Straight Run are particularly rewarding.

Nearby routes

Moderate

5.0

5

Sand Run Falls Trail

02:49h

10.2km

170m

Explore
RoutesRoute plannerFeaturesHikesMTB TrailsRoad cycling routesBikepackingSitemap
Download the app
Follow Us on Socials

© komoot GmbH

Privacy Policy