The Marienberg spring belongs to the oldest part of Bad Marienberg not far from the Protestant church.
A popular hiking destination, only a few minutes' walk from the Protestant church, is the Marienquelle spring. There you will find the oldest part of Bad Marienberg. The Marienquelle was first mentioned in 1863 as the so-called Heiligenborn in the church chronicle of Marm, in which its water was described as "excellent water" was praised. It is a tradition to stop at the spring to rest and relax. Only recently, the Westerwaldverein gave it a new look. A small grotto with a statue of the Virgin Mary and a rustic oak railing now decorate the place.