What dense said re Bois Rond. Nice spot, but not extensive. In striking distance of Drie Zinnen though, if you can sneak off... Bar nearby too. Anyone mentioned Potola/Rocher Fin yet? all flat, sandy, easy to get around, and Rocher fin has some good stuff in that range. Long walk though (for font!), so if you've got loads of stuff for the littluns maybe not so great. One of my favourite spots in font though.