A mowing apparatus has at least one support track (12) adapted to be mounted to an area to be maintained and a mowing device (10) adapted to be supported on the at least one support track (12). The mowing device of the mowing apparatus can comprise a power supply (14) for moving the mowing device along the at least one support track and for operating the mowing device to carry out a mowing operation. The at least one support track of the mowing apparatus is configured to guide the mowing device to move along the at least one support track during a normal mowing operation. A grass maintenance system is also provided and comprises one or more grass maintenance devices, such as a mowing device.