Depending on the level of precipitation more than ten springs can flow into the Kaļķugrava slope; as these merge together, they create a steep, waterfall-like rapid brook. This course of water flows into the mill pond – a pot-like hollow with bluish green, clear water. Mills built of travertine at the feet of Kaļķugrava were made by the uncle of the sculptor Teodors Zaļkalns (1876 – 1872). The sculptor was a frequent guest here during his boyhood. Wooden plank-way, stairs, and picnic site is developed for tourism purposes. In order to protect the springs, calcareous tuff, forests of slopes, and boreal forests, as well as other significant habitats.
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