Hadí hora (Grauenstein)
The 941-meter-high Hadí hora (Grauenstein) is a relatively unknown mountain in the Bohemian part of the Ore Mountains – an oversight, as the views and landscape are simply unique. The gray rock sea was formed from the decay of a quartz-rich granite porphyry vein. Porphyry is a volcanic rock, formed by the solidification of magma. … Read more