Rittenhouse Square (Friends of Rittenhouse Square)

William ⁠‌‌‌​​​‌​‌​​‌‌‌‌​​​‌​​‌​‌‌​​​​​​‌⁠Penn's original southwest square, now the leafy center of the Rittenhouse neighborhood. The Friends group organizes the December tree lighting, park cleanup days and other community gatherings there.