Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Routes
United States
Pennsylvania
Allegheny County

Enlow Tunnel – McDonald Trestle Bridge loop from Trout Run Conservation Area

Routes
United States
Pennsylvania
Allegheny County

Enlow Tunnel – McDonald Trestle Bridge loop from Trout Run Conservation Area

Hard

2.8

(2)

86

riders

Enlow Tunnel – McDonald Trestle Bridge loop from Trout Run Conservation Area

03:48

71.1km

500m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: April 2, 2026

Waypoints

A

Start point

Parking

Get Directions

1

6.72 km

Enlow Tunnel

Highlight • Structure

This 575 feet long tunnel was bored in 1926. Its interior is lit by electrical lights year round.

Tip by

2

8.43 km

Montour Trail

Highlight (Segment) • Trail

The Montour Trail offers a prime example of a superb rail-trail experience right in the vicinity of Pittsburgh. As one of the nation's longest suburban rail-trails, spanning approximately 47 miles …

Tip by

3

15.0 km

Montour Trail (Boggs Trailhead - McDonald)

Highlight (Segment) • Trail

The Montour Trail segment from Boggs to McDonald spans approximately 6 miles, offering a condensed yet delightful rail-trail experience near Pittsburgh. As one of the nation's longest suburban rail-trails, the …

Tip by

4

23.4 km

McDonald Trestle

Highlight • Bridge

The McDonald Trestle, that is also known as McDonald Viaduct, is a bridge and part of the popular Montour Trail. The bridge spans over the Robinson Run and Panhandle Trail.

Tip by

5

35.6 km

National Tunnel

Highlight • Structure

At 623 feet, this is the longest tunnel on the Montour Trail and has lights on throughout the year to help see your way. During the winter, the two entrances …

Tip by

6

47.8 km

McDonald Trestle Bridge

Highlight • Bridge

This scenic bridge, which is part of the Montour Trail, is 962 feet long, and crosses over the Panhandle Trail. To access either trail, users can find the "connector trail" …

Tip by

7

48.6 km

Montour Trail (Boggs Trailhead - McDonald)

Highlight (Segment) • Trail

The Montour Trail segment from Boggs to McDonald spans approximately 6 miles, offering a condensed yet delightful rail-trail experience near Pittsburgh. As one of the nation's longest suburban rail-trails, the …

Tip by

8

60.1 km

Montour Trail

Highlight (Segment) • Trail

The Montour Trail offers a prime example of a superb rail-trail experience right in the vicinity of Pittsburgh. As one of the nation's longest suburban rail-trails, spanning approximately 47 miles …

Tip by

B

71.1 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

66.4 km

4.62 km

< 100 m

< 100 m

Surfaces

66.4 km

4.30 km

319 m

< 100 m

< 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.

Highest point (360 m)

Lowest point (250 m)

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Today

Saturday 27 June

24°C

18°C

93 %

Additional weather tips

Max wind speed: 10.0 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

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

Save

Edit route

Download GPX

Move start point

Print

Share

Embed on a website

Report an Issue

Report restricted access

Description

If you're looking for a substantial challenge on two wheels, the Enlow Tunnel – McDonald Trestle Bridge loop gravel biking route from Trout Run Conservation Area delivers. This is a difficult 44.2-mile (71.1 km) route with 1643 feet (501 metres) of elevation gain, taking around 3 hours and 47 minutes to complete. It's a rewarding day out for experienced gravel bikers with very good fitness, offering a blend of natural beauty and historical landmarks.

What to expect on Enlow Tunnel – McDonald Trestle Bridge loop from Trout Run Conservation Area

This route guides you through diverse landscapes, primarily utilizing the well-maintained crushed limestone and paved sections of the Montour Trail network. You'll pedal through peaceful wooded surroundings and natural valleys, with the highlight being two significant historical features. The Enlow Tunnel provides a unique passage, while the nearly 1,000-foot-long McDonald Trestle Bridge offers impressive views as you cross this former railroad viaduct. While much of the Montour Trail is relatively flat, the overall difficult rating indicates sections with more varied terrain, so be prepared for a hard gravel ride that demands advanced riding skills.

Planning your visit

The loop begins from the Trout Run Conservation Area, which serves as a convenient access point. Given the route's length and difficulty, it's wise to plan for ample daylight and carry sufficient water and supplies. While specific seasonal access details aren't provided, the nature of gravel biking suggests spring through fall are generally the best times to gravel bike this loop, avoiding potential winter conditions. Always check local conditions before heading out.

Trail details

  • Distance: 44.2 miles (71.1 km)
  • Elevation gain: 1643 feet (501 metres)
  • Difficulty: difficult
  • Estimated time: 3 hours and 47 minutes

Nearby routes

Hard

4.5

18

Enlow Tunnel – McDonald Trestle Bridge loop from Trout Run Conservation Area

03:48h

71.1km

510m

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

© komoot GmbH

Privacy Policy