Etna Riverfront Park Site Turning unusable property into passive green space 1.8-acres; 780-feet of riverfront property Etna Riverfront Park Historically, nice access areas for residents to use the riverfront in Etna have been very limited due to industry controlling the majority of space along the Allegheny River. The opportunity to create the Etna Riverfront Trail and Park has allowed the community to redevelop a brownfield right along the Allegheny River. This redevelopment provides ecological and economic benefits to the region...