AquaFonte lists 2 verified thermal springs in Netherlands, each with its own page: temperature, minerals, treatments, and directions.
Water types found
IodicFerruginousChlorinatedMagnesium
Springs
Sanadome
Nijmegen, Gelderland · 23°C
A wellness resort in Nijmegen built over two of its own natural thermal-mineral sources, one drilled to 70m and a saltier source drilled to 700m, feeding pools up to 37°C.
Thermen Bad Nieuweschans
Bad Nieuweschans, Oldambt, Groningen · 36°C
A brine spa in the far northeastern Netherlands near the German border, drawing salt- and mineral-rich water from over 600m underground, with baths up to 36°C.