There's an SE23 free event on Sunday June 25th. The One Tree Hill Allotments are holding an Open day from 1pm to 6pm. There are guided walks at 2, 3 and 4pm; talls with all sorts including home made jams and cakes; an 'Open Shed' event at which you can get to see inside people's sheds; a BBQ; and the JASSPA Jazz Band at 5pm. The entrance is on the right as you walk down to the recreation ground from Honor Oark Park near the station.