Round Tree Lake Orion Real Estate Sales Round Tree is a 223 home sub in Orion Township with entrances off M-24 and Scripps Rd. Houses in Round Tree were built between 1993 and 2003 and range in size from 1828 square feet to 2767 square feet with most of the houses well over 2000 square feet. Round Tree homes have city water and sewer, sidewalks, community park and abuts Bald Mountain Recreation Area to the east. Lake Orion High School with a swimming pool and tennis courts is across Scripps Road. Round Tree is conveniently located just minutes north of I-75; the exit 81 ramp exits (or enters) at M-24 a few miles south of Round Tree. That exit is also just one exit from Great Lakes Crossing. Orion Oaks County Park and the Bark Park are also within 5 minutes from Round Tree. About 5 minut... 12/07/2010