The waterfall is formed by the erosion of softer shale layers beneath a harder layer of Homewood Sandstone.
The park is located near the site of the former town of Homewood, which was once an independent borough before being annexed.
The area is recognized for its remnant old-growth vegetation, providing a micro-climate distinct from the surrounding urban area.
Despite its proximity to Route 18, the deep ravine provides significant noise buffering from traffic.
Buttermilk Falls Natural Area is a municipal park in Beaver Falls, Pennsylvania, centered around a prominent 35-foot waterfall cascading over a sandstone ledge. The site features a series of rugged hiking trails that wind through a wooded ravine environment. The waterfall is fed by a small stream and is most active following periods of heavy rainfall. The area is managed as a natural space, emphasizing local geological features and forested surroundings. Visitors can access the base of the falls via a short trek from the parking area. The terrain includes elevation changes consistent with a ravine landscape.
The wooden overlook platform provides the most stable and centered vantage point for capturing the full height of the falls.
Wear waterproof hiking boots, as the trail base near the falls remains perpetually muddy.
Bring insect repellent during the summer months, as the damp ravine environment attracts mosquitoes.
Visit within 24 hours of a significant rainfall to see the falls at maximum volume.
Do not attempt to climb the rock face surrounding the waterfall, as the sandstone is brittle and poses a fall risk.
Stay on marked trails to prevent erosion of the steep ravine banks; carry out all trash to maintain the natural landscape.
