4.4
(12)
109
riders
9
rides
Gravel biking around Carnegie features a network of converted rail trails and wooded paths, offering varied terrain for cyclists. The region's landscape includes river valleys and green corridors, providing diverse gravel biking experiences. Routes often incorporate sections along former railway lines, which offer relatively flat stretches, interspersed with rolling hills and forested areas. This combination creates a dynamic environment for gravel cycling.
Last updated: May 13, 2026
4.5
(4)
18
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.4
(5)
50
riders
89.1km
04:46
590m
590m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.0
(1)
14
riders
25.8km
01:20
150m
150m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
9
riders
55.8km
03:03
530m
530m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
7
riders
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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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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The McDonald Trail Station is a welcome center and trail parking for the Panhandle Trail and Montour Trail. There is also an exhibition inside the building with local artifacts and history.
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The McDonald Trestle is a historic former railroad bridge, and is now a nearly 1,000‑foot long pedestrian and cycling viaduct on the Montour Trail.
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Wet tunnel with water dripping from ceiling. Very cold almost icy.
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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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There are over 10 gravel bike trails available around Carnegie, offering a range of difficulties and lengths. These routes utilize converted rail trails, river valleys, and forested areas.
The gravel biking routes in Carnegie are highly rated by the komoot community, with an average score of 4.1 stars from 9 reviews. Many riders appreciate the varied terrain and the use of former railway lines, which provide both flat stretches and rolling hills.
Yes, Carnegie offers easy gravel bike trails perfect for beginners. For instance, the Helicon Brewery – Panhandle Trail loop from Rennerdale is an easy 16.1-mile (25.8 km) route that follows converted rail trail sections, making it a great option for those starting out.
Experienced riders looking for a challenge will find several difficult routes. The Enlow Tunnel – McDonald Trestle Bridge loop from The Mall at Robinson is a difficult 44.2-mile (71.1 km) trail with significant elevation gain, connecting various landmarks and offering varied terrain.
Many of the gravel bike routes around Carnegie are designed as loops, allowing you to start and end at the same point. An example is the Enlow Tunnel – Montour Trail loop from The Mall at Robinson, which is a moderate 28.0-mile (45.1 km) circular path.
Many routes start from locations with accessible parking. For example, routes like the Enlow Tunnel – McDonald Trestle Bridge loop begin from The Mall at Robinson, which typically offers ample parking. Other routes may start from smaller towns like Rennerdale or Collier Township, where local parking options are available.
Yes, some routes incorporate local establishments. The Helicon Brewery – Panhandle Trail loop from Rennerdale is a great example, as it passes by Helicon Brewery, offering a convenient stop for refreshments during or after your ride.
While riding the gravel trails, you might encounter various points of interest. Some routes are close to significant landmarks such as the Hot Metal Bridge or historical sites like the Fort Pitt Block House. The trails themselves often feature scenic sections through green corridors and along river valleys.
Spring and fall are generally the best seasons for gravel biking in Carnegie, offering pleasant temperatures and vibrant scenery. Summer can also be enjoyable, though it can be warmer. Winter riding is possible, but trail conditions may vary due to snow or ice, especially on unpaved sections.
The gravel bike routes in Carnegie feature a mix of surfaces. You'll primarily find converted rail trails, which are often well-maintained and relatively smooth, alongside wooded paths and sections through river valleys. This combination provides varied terrain, from packed gravel to some looser surfaces.
Absolutely. The region's network of converted rail trails often provides relatively flat and wide paths, which are ideal for families. Look for the 'easy' rated routes, such as the Panhandle Trail – Helicon Brewery loop from Collier Township, which offers a manageable distance and gentle gradients suitable for riders of all ages.


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