Can I climb todayTomorrow: Send. Dry, cold and crisp: great friction, best from 12:00.
How to read the dial
- Dry
- Fast‑drying sectors only
- Wet
- Now
- When it dries
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Climb indoors instead
Bouldering gyms near the forest, for a wet day.
Before you go
Zarzalejo after rain
Zarzalejo: granite boulders in the forest, in Community of Madrid, Spain. The nearest other areas here are El Escorial (4 km), Torrelodones (22 km) and La Pedriza (34 km).
Is Zarzalejo dry today?
The answer at the top of this page comes from ECMWF's forecast and how fast granite dries, and it's updated through the day. Nobody checks the rock in person, so touch the holds before you climb.
How long does Zarzalejo take to dry after rain?
Zarzalejo is granite. It sheds rain quickly, though cracks, pockets and tufas can seep for days after heavy rain. These times are the model's estimates, tuned on Fontainebleau sandstone and not checked here. After a proper soaking (2 mm of rain or more), sunny, windy boulders need about 7 hours of dry weather, most of the forest about 12 hours, and shaded ones about 17 hours. A light shower needs less. Wind, sun and dry air shorten the wait, and above about 92% humidity the model won't call the rock dry.
Can you climb at Zarzalejo when the rock is wet?
Wet rock is slick, and pockets and cracks seep for days. If the holds feel greasy, come back later.