Union Mills Amenities
Pool House, Pool and Tennis Court - All are located at 13550 Ruddy Duck Dr.   Every year Union Mills will host special events, IE - Summer Pool Party, Year End Pup Swim and Fall Family Festival and Chili Fest.  (See photo Album for previous events).
The Union Mills pool house (located at 13550 Ruddy Duck Road) consists of  a pavilion with picnic tables, restrooms and open WI-FI hot spot for residents and their guests.  The poolhouse is typically open from Memorial Day weekend through Labor Day weekend each year.  (Other Pool information and Passes)
Tennis Court - Located next to Pool at 13550 Ruddy Duck Road.  Click here for Court Use Agreement and Rules.  
Walking Trails - Union Mills is surrounded by walking trails such as the west end trail next to the wooded area and wetlands that run next to Little Rocky Run Creek, the east side Union Mill Trail, North side trail along Rt 29,  White Dove to Colonnade shopping center, Osprey to the shopping center and Ruddy Duck to the shopping center. 
The Union Mills Tot Lot Playground is located next to 5515 and 5617 Gosling Dr. (Nestled in a large open, cleared wooded area, this makes a great place to the kids to play).  Click here for Tot Lot Location Information