The Equestrian Centre in Breda, or Hippisch Centrum in Dutch, is well known among the locals. Great location, not far from the city central area, easily reachable by bus and a variety of activities make this a very popular weekend destination.
20EUR for a riding lesson with an instructor make this trip worthwhile for sure. You also get a chance to spend an hour outdoor and the staff at the Centre will try an make your visit as enjoyable as possible.