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Hot springs at Combioule, St.Martin, Val d'Herens, Valais, Switzerland

There are more than 20 springs stretching about 500 m along the river "La Borgne" and 3 wells. Temperatures are between 15 and 30 C. The water from one of the wells has the highest 226Ra concentration of all Swiss groundwaters measured so far, about 400 mBq/liter.