Attractions and places to see around Glen Osborne, a borough in Allegheny County, Pennsylvania, offer a blend of natural features and historical points of interest. Situated along the Ohio River, the area provides a tranquil setting with access to outdoor activities. Key natural highlights include conservation areas and trails, while its proximity to Sewickley offers additional amenities. The region is characterized by its residential nature and preserved green spaces.
Last updated: June 28, 2026
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Enlow Tunnel, a remarkable feat of engineering, was excavated through the hillside in 1926 as part of a realignment initiative by the Montour Railroad. Its construction aimed to eradicate multiple challenging curves in the railroad's original main line. Stretching 575 feet, this tunnel replaced a half-mile section of track that previously wound around the hill alongside Montour Run.
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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 along a relatively flat half-loop, from Coraopolis by the Ohio River to Clairton along the Monongahela River, it provides an extensive recreational pathway. Branch routes extend its length to over 60 miles, with a northwest branch directly linking to Pittsburgh International Airport. Additionally, it seamlessly connects with other regional trails, including the Great Allegheny Passage and the C&O Canal Towpath, forming part of the extensive 300+ mile trail network from Pittsburgh to Washington, DC. It's easily accessible by car and public transit, with numerous access points and ADA-compliant facilities along the way, ensuring a convenient and inclusive experience for all trail users.
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ALT Audubon Greenway presents a quintessential Western Pennsylvania landscape, featuring vast fields, rolling hills adorned with mature oak groves, and serene waterways. His green space also encompasses the origins of Little Sewickley Creek. The property boasts numerous trails that intertwine with neighboring parks in Sewickley Hills Borough and Sewickley Heights Borough. These trails are frequented by hikers, bikers, birdwatchers, and equestrians alike. The ALT stewardship team actively seeks volunteers to assist in maintaining these pathways.
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If you were wondering why this trail has this name, this man-made cave is the reason. It is a good spot to enjoy a snack and take some photos as well. The Cave Trail connects the Hemlocks Trail with the Oil Well Trail and also with the Meeks Run Trail.
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The entrance of the Montour Trail at Mile 0. The trailhead includes a parking lot and a small park with a shelter. The town of Coraopolis offers many services and is 0.8 mile away, along a main road that can be busy, but has a small shoulder.
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This 575 feet long tunnel was bored in 1926. Its interior is lit by electrical lights year round.
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The area offers several natural highlights. The Audubon Greenway Conservation Area features fields, rolling hills, mature oak groves, and waterways, including the origins of Little Sewickley Creek. Additionally, Glen Osborne is situated along the Ohio River, providing scenic views.
Yes, the Montour Trail is a major highlight, spanning approximately 47 miles. It's one of the nation's longest suburban rail-trails, offering an extensive recreational pathway that connects to other regional trails. You can find various routes for hiking, road cycling, and gravel biking around Glen Osborne, such as those listed in the hiking guide or road cycling guide.
You can visit the Enlow Tunnel, a 575-foot long tunnel bored in 1926 as part of a railroad realignment. Its interior is lit year-round. Another interesting man-made feature is The Cave on Cave Trail, which gives the trail its name and is a good spot for a break and photos.
Many of the outdoor attractions are suitable for families. The Enlow Tunnel and the Montour Trail are popular choices. The Audubon Greenway Conservation Area also offers numerous trails for various outdoor activities that families can enjoy.
Generally, outdoor trails like the Montour Trail and those within the Audubon Greenway Conservation Area are dog-friendly, provided dogs are kept on a leash and owners clean up after them. Always check specific park rules before your visit.
The Montour Trail has numerous access points. A convenient starting point is the Entrance to Montour Trail - Mile 0, which includes a parking lot and a small park with a shelter. The trail is also easily accessible by car and public transit at various points along its length.
Yes, the Montour Trail is noted for its accessibility, featuring ADA-compliant facilities along its route. This makes it a great option for visitors using wheelchairs or strollers.
The area around Glen Osborne is excellent for outdoor activities. You can enjoy hiking on trails like those in the hiking guide, road cycling with routes such as 'Audubon Greenway Conservation Area 1 from Leetsdale loop' from the road cycling guide, or gravel biking, including routes like 'Enlow Tunnel – Montour Trail loop' from the gravel biking guide.
Visitors particularly appreciate the blend of natural beauty and historical engineering feats. The extensive rail-trails, like the Montour Trail, are highly rated for their recreational opportunities. The unique experience of walking through the lit Enlow Tunnel is also a favorite, as is the serene environment of the Audubon Greenway Conservation Area.
While Glen Osborne itself is a small residential community, it is conveniently located near Sewickley. Within walking distance, Sewickley offers a variety of boutique shopping and excellent dining options, as well as accommodation choices for visitors.
The spring and fall months generally offer the most pleasant weather for exploring the trails and natural areas around Glen Osborne. Temperatures are mild, and the scenery is vibrant with spring blooms or autumn foliage. Summer can also be enjoyable, though it can be warmer and more humid.
Yes, the Montour Trail is known for its relatively flat terrain, making it ideal for easy walks and suitable for various fitness levels. Portions of the Audubon Greenway Conservation Area also offer accessible and gentle trails.


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