CLIMATE, LOCATION, CURATIVE FACTORS: The spa town Jáchymov is situated on the southward slope of the Ore Mountains, some 10 kilometers from the German border (Oberwiesenthal) and amidst a picturesque mountainous landscape. Surrounded by dense forests the houses are located in the deep valley of the small river Veserice and on the slope that surrounds the river. Due to the success of the radon therapy Jáchymov is known worldwide as a spa town. The radon containing water used for inhalations, baths and drinking cures plays an important role for the therapies offered here. It contributes significantly to the cure of diseases of the locomotor system.