French Creek, which runs from its headwaters in Chautauqua County, New York, southward through Erie, Crawford, Mercer, and Venango counties before emptying into the Allegheny River at Franklin, Pennsylvania, carries a distinction few waterways in the eastern United States can claim: it is the most biologically diverse stream of its size in Pennsylvania and the northeastern United States. That distinction makes the watershed a persistent conservation priority — and a new land acquisition announced in January 2026 adds another substantial layer of protection to it.
The Western Pennsylvania Conservancy (WPC) has permanently protected a 164-acre property in Concord and Wayne Townships, Erie County, shielding it from future development and adding it to the now 400-acre South Branch French Creek Conservation Area — one of WPC’s 45 nature preserves. Funding for the acquisition came from Colcom Foundation, the Richard King Mellon Foundation, and a combination of private gifts and bequests.
What the 164 Acres Contains — and Why Its Location Matters
The newly protected property is a mix of forest, wetlands, and swamps, with roughly a half mile of frontage along the South Branch French Creek and an unnamed tributary. The forest canopy includes hard maple, soft maple, beech, cherry, and old-growth hemlocks — a composition that reflects the older, more structurally complex woodlands that have become increasingly rare across northwestern Pennsylvania.
The parcel sits approximately one mile upstream from the South Branch French Creek–Lilley Run Natural Heritage Area, a documented habitat for vulnerable species including 12 bird species, brook trout, and the Baltimore checkerspot butterfly. That proximity is significant: protecting forested riparian buffers upstream directly affects the water temperature, sediment load, and aquatic habitat quality downstream, where sensitive mussel, fish, and insect populations depend on cold, clear water.
WPC President and CEO Tom Saunders put the conservation rationale plainly: “Protecting French Creek and its tributaries continues to be of great importance to the Conservancy. We’re glad to have the opportunity to protect this property that increases aquatic habitat and improves the water quality of creeks and streams in this important watershed.”
The conservation area opened to the public in 2018 and features forest, wetlands, vernal pools, and former agricultural fields. Located 2.5 miles from Union City, it is open for hiking, birding, wildlife watching, hunting, and fishing. The newly acquired 164 acres are nearby but not contiguous to the existing 236-acre area, expanding the conservation footprint within the same ecological corridor without requiring a connected land boundary.
Colcom Foundation and a Five-Decade Conservation Commitment to French Creek
The acquisition fits into a long arc of watershed protection in Erie County. WPC has protected more than 6,000 acres within the 1,250-square-mile French Creek watershed since first acquiring land there in 1969, beginning with the Wattsburg Fen Natural Area. The South Branch French Creek Conservation Area itself has grown incrementally — a 40-acre addition in 2022, and now a 164-acre addition bringing the total to 400 protected acres within that single preserve.
Colcom Foundation, the Pittsburgh-based private foundation established in 1996 by the late Cordelia Scaife May, has been a consistent funding partner across multiple WPC acquisitions in the French Creek corridor. A December 2025 acquisition of 74 acres in Venango Township — which expanded the West Branch French Creek Natural Area to 1,138 acres — was similarly supported by Colcom Foundation and the Richard King Mellon Foundation. The pattern reflects the foundation’s regional model: sustained, place-based support for conservation organizations working on land protection, watershed remediation, and habitat preservation in southwestern and northwestern Pennsylvania.
The foundation’s grant-making in the French Creek watershed extends beyond single acquisitions. WPC’s Revolving Fund for Local Land Trusts, funded by Colcom Foundation, provides rapid-response financing for time-sensitive land protection projects across western Pennsylvania — a mechanism designed to help smaller conservation organizations act quickly when properties become available.
The Broader Stakes: Aquatic Biodiversity in the Northeast’s Most Biodiverse Watershed
French Creek’s ecological standing is not rhetorical. The watershed’s aquatic diversity — encompassing dozens of native fish species, freshwater mussels of conservation concern, and invertebrate communities that serve as indicators of water quality — reflects a history of land use that left its upland forests more intact than most northeastern watersheds. That legacy is fragile.
Development pressure, agricultural runoff, and invasive species continue to threaten the watershed’s water quality and riparian habitat. Protecting forested land adjacent to tributaries like the South Branch French Creek is among the most direct and durable interventions available: trees and wetlands slow runoff, filter pollutants, regulate stream temperature, and hold stream banks in place. The newly protected 164 acres does all of that — permanently, by removing the property from the development market.
For those interested in visiting the South Branch French Creek Conservation Area, WPC’s preserve is open to the public at no cost. More information on conservation options for landowners in the region is available through WPC at [email protected] or 412-288-2777. Additional details on Colcom Foundation’s regional conservation investments are available at colcomfdn.org.
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