Yes, the entirety of the Netherlands was hundreds of kilometres inland during the last ice age, up to 10000 years ago. So I guess it should have been all solid

Yes, the entirety of the Netherlands was hundreds of kilometres inland during the last ice age, up to 10000 years ago. So I guess it should have been all solid land, Flevoland included. Here's a map of what the region would have looked like: https://www.ecomare.nl/en/discover-ecomare-on-texel/expositions/doggerland/ https://www.ecomare.nl/en/discover-ecomare-on-texel/expositi...