Established in 1950, the Pleasant Hills Arboretum is home to 65 species of trees – some more than 200 years old – as well as a variety of shrubs and other plants. Arboretum founder A.W. Robertson, who also helped establish the Western Pennsylvania Conservancy, found his inspiration for the place from the Arnold Arboretum in Boston.

Walking the trails give visitors opportunities for reflection and study as well as the ability to take in the many tree species including Beech and Oak. Throughout the years, the volunteer Pleasant Hills Arboretum Board has worked to provide educational programs onsite, often in collaboration with the Pleasant Hills Library. Tree plantings have included memorial trees, Arbor Day plantings, and select specimen trees like the recently planted Veteran’s Shingle Oak.