Sandstone caves in Castle Rock formations
Sandstone caves in Castle Rock formations
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Sandstone caves in Castle Rock formations
Mountainbiking
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Tips
16. juni 2016
Mountainbiking
Slightly acidic rainwater seeps into the sandstone during winter rains and dissolves some of the calcite. Warm and dry days cause the moisture to pull the dissolved calcium back out of the rock, causing holes and caves to form.
Watch for peregrine falcons and other birds of prey nesting high up in the Castle Rock caves.
The upper trails are closed Feb-July to avoid disturbing the nesting birds.
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Detaljer
Oplysninger
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Vejr
Drevet af Foreca
torsdag 25. juni
26°C
12°C
-- %
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Maks. vindhastighed: -- km/h
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