4.6
(19)
228
riders
2
rides
Gravel biking around Duquesne, Pennsylvania, offers routes along the Monongahela River and connections to the extensive Great Allegheny Passage (GAP) trail system. The region features varied terrain, including steep hillsides and unpaved segments, providing elevation changes and challenging climbs. This landscape integrates historical industrial landmarks with natural river valleys, suitable for gravel cycling.
Last updated: July 9, 2026
5.0
(2)
15
riders
44.9km
02:15
150m
150m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(4)
51
riders
88.5km
04:42
560m
560m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Great ride along the river with several places to pull off and enjoy the view.
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This is a good place to take a break on a hot day, as the waterfall produces cold wind. DO NOT DRINK this water, It is from an acid mine and the red-orange color comes from iron and rust.
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S THE WATERFALL Demonstrating acid mnine drainage The water here is acid and iron-rich, coming up to the surface from underground mines, stairung the-rocks ruspred. Acid mine drainage (AMID) is a major source of water pollution. Cause of extensive stream environmental damage. The Ocean Coal Company, a subsidiaries of Bevind- White Coal Company Philadelphia, PA, esaiblished several mines in this region including, in 1900, Ocean No. 2. It is purported that drainage from ocean No. 2 is the chief cause of the Red Waterfall Why is it acidic and full of iron? Hundreds of millions of years ago, the massive Pittsburgh Coal Seam formed underneath parts of Pennsylvania, West Virginia, and Ohiờ from ancient swamp plants. Sand, silts, shells, and other -matter were deposited and made a rock seal over the carbon-rich vegetation, This rock contained the mineral "pyrite," made of iron and sulfur Coal mining exposes pyrite to oxygen and ground water causing the formation of sulfuric acid and a number of red, orange, and yellow compound s. AMD occurs when this mine water seeps, or in this-case, bursts out into Streams. The yellow sulfur can be seen in the shale near coal seams. GRESCHIN DASSAGE SPONSORED BY: Southwestern PA Heritage Breservation- Commission Allegheny Trail Alliances Regional Trail Corpofation For moterinformation. www.gaptrail.org
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its just a cemetery. i was riding for distance. and needed this place to keep the route on the GAP trail.
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The Red Waterfall is one of the main highlights on the GAP between West Newton and McKeesport. The falls gets its name from the water that has been colored red by nearby underground coal mines, which has made the water acidic and iron-rich water.
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The Hot Metal Bridge is one of the most recognizable landmarks along the GAP. It crosses the Monongahela River and was an important bridge during the city's industrial heyday. Now, it is a great place to cross by bike and get a wonderful view of the city and river below.
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There are 10 gravel bike trails available around Duquesne, offering a variety of experiences from easy river paths to more challenging climbs through varied terrain.
Yes, Duquesne offers easy gravel routes. For instance, the Red Waterfall – Red Waterfall loop from Versailles is an easy 18.4-mile path that provides a mix of surfaces and scenic views along the Monongahela River valley, making it suitable for a more relaxed ride.
The terrain around Duquesne is quite varied. You'll find routes along the Monongahela River that often feature a mix of paved and unpaved surfaces. The region is also characterized by steep hillsides, offering significant elevation changes and challenging climbs on some segments, especially those connecting to the Great Allegheny Passage (GAP) trail system, which is primarily crushed limestone.
Absolutely. Duquesne's industrial heritage is integrated into its recreational routes. You can encounter sites like the Hot Metal Bridge and the McKeesport Connecting Railroad Bridge, both part of the Great Allegheny Passage. The Homestead Pump House is another captivating historical stop along the Monongahela Valley.
Yes, Duquesne provides excellent access to the renowned Great Allegheny Passage (GAP) trail system. This extensive rail-trail, primarily composed of crushed limestone, is perfect for gravel bikes and offers opportunities for long-distance rides through diverse landscapes and historical sites.
For experienced riders seeking a challenge, the Three Rivers Heritage Trail – Hot Metal Bridge loop from Glassport is a difficult 70.4-mile route. It follows river trails and connects to historical industrial sites, featuring significant distances and varied terrain.
The gravel biking routes in Duquesne are highly rated by the komoot community, with an average score of 4.6 stars from more than 5 reviews. Riders often appreciate the diverse terrain, the scenic river views, and the unique blend of natural beauty with historical industrial landscapes.
Yes, several loop trails are available. For example, the Red Waterfall – Homestead Pump House loop from Versailles offers a moderate 42.2-mile ride, providing a circular route to explore the area.
While specific seasonal conditions can vary, spring and fall generally offer the most pleasant temperatures for gravel biking in the Pittsburgh area, including Duquesne. These seasons provide comfortable riding conditions before the summer heat or winter cold and snow.
Many routes along the Monongahela River offer scenic views of the river valley. Additionally, the region's steep hillsides can provide rewarding panoramic vistas. While not a biking trail itself, the historic Duquesne Incline offers breathtaking panoramic views of the Pittsburgh skyline and river confluence, and is easily accessible for those exploring the area by bike.
Yes, Duquesne's gravel biking routes uniquely blend natural river valleys with its historical industrial landscape. Trails often run alongside the Monongahela River, offering natural beauty, while also passing by former steel mill sites and historic bridges, providing a distinctive riding experience.


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