Haystack Mountain (Pennsylvania)

Haystack Mountain is a prominent geological feature located in Huntingdon County, Pennsylvania. It is a part of the Appalachian Mountains, specifically situated within the Ridge and Valley province. The mountain is primarily composed of resistant sedimentary rocks, such as sandstone and quartzite, which contribute to its rugged and elevated topography.

Haystack Mountain is characterized by its steep slopes and forested terrain. It plays a role in local watershed dynamics, influencing drainage patterns and contributing to the flow of nearby streams and rivers.

The mountain offers scenic views of the surrounding landscape and is accessible via hiking trails. Recreational activities such as hiking and hunting are popular in the area. The natural environment of Haystack Mountain supports a variety of plant and animal species typical of the Appalachian region. The mountain's name is likely derived from its distinctive shape.