Hemrovy skály, Rock formation in Jinonice, Prague, Czech Republic
Hemrovy skály is a rock formation in Jinonice that rises up to 300 meters and consists of volcanic material from ancient underwater eruptions. The slopes support various plant species and show different ecological conditions depending on exposure and sunlight.
The rock formation emerged roughly 423 million years ago from volcanic activity beneath ancient seas, when lava erupted and cooled rapidly in seawater. This process created the hard rocks visible today and left geological traces from that distant time period.
The rock formation attracts visitors who come to walk the natural trails and observe the contrasting plant zones on its slopes. The exposed cliffs and steep terrain create an unusual natural space near the city where geology and vegetation are clearly visible.
Visitors can explore the formation by following marked trails but must stay on designated paths and bicycles are not allowed. The trails are natural and sometimes uneven, so wear suitable footwear and take care on wet ground.
The slopes host rare plant species like strict garlic and certain stonecrops that grow on rocky ground under harsh conditions. These special plants are remnants from earlier ice ages and show how resilient some life forms can be.
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