Natuurwandelingen
Schelpenwandelingen of strand-, duin- of polderwandelingen in 2011:
10/03 – 14/04 – 21/04 – 13/06 – 16/06 – 23/06 – 30/06 – 07/07 – 14/07 – 19/07 – 26/07 – 28/07 – 02/08 – 03/08 – 04/08 – 10/08 – 11/08 – 18/08 – 25/08 – 01/09 – 08/09 – 15/09