Kuğulu Parkı is a pleasant spot to take a break. Enjoy a picnic, throw a Frisbee around or just lie on the cool grass and close your eyes for a while.
You'll have sightseeing choices galore when in Etimesgut. Kuğulu Parkı is a good place to kick off here, but there are loads of other interesting places to explore. Ankara Citadel, Kocatepe Mosque, and Haci Bayram Mosque are near the recreation and green space and and will cap off your day nicely.