Hatertse/Overasseltse Fens Click on thumbnails for a zoom South-West of Nijmegen and South-East of the Wijchens Fen,surrounded by Alverna, Wijchen, Nederasselt, overasselt and Heumen, one can find the Hatertse and Overasseltse Fens named: Bavoven, Bosven, Botersnijder, Botersnijder-Zuid, Donderbergven, Gagelven, Heinven, Kersjesven, Ketelven, Langeven, Meeuwenven, Oriolusven, Poelven, Roelofsven, Schietven, Stortven, Talingenven, Uivernest and Worsumsven.   Sorry, so far only the page in Dutch is available

http://www.vcbio.science.ru.nl/en/virtuallessons/landscape/hatertseven/print/