Well under Háj

The fact that even in the vicinity of one's hometown and almost one's lifelong residence one can find a place that is not completely known can happen even in an advanced period of life. When I was planning where to go on the first free day of almost total closure (so that I don't have to use the disgusting English term), in the mapy.cz application I was intrigued by the presence of a sign of a well or a spring on one of the unmarked access roads, rather footpaths to the summit...