Castleton, Indiana is a suburb located in the northeast corner of Indianapolis, with a population of approximately 3,200 people. The climate in Castleton is typically mild, with hot summers and cold winters. The area is characterized by low-lying land, with the White River flowing nearby. Hydrology constituents in Castleton include the White River and several smaller creeks and streams. Outdoor recreation opportunities in the area include the Castleton Trail, a paved multi-use pathway perfect for walking, running, and biking, as well as several parks with playgrounds, sports fields, and picnic areas. Castleton Square Mall is also a popular destination for shopping and dining.