Glen Gardner is a small borough located in Hunterdon County, New Jersey. It was incorporated in 1919 and covers an area of approximately 1.2 square miles. The borough is primarily residential, featuring a mix of single-family homes and some local businesses. The community is known for its scenic landscapes and proximity to outdoor recreational activities. Glen Gardner is situated near the Musconetcong River and offers access to parks and nature trails, making it a peaceful place for residents and visitors who enjoy nature and a quiet lifestyle.