Valles Caldera and Jemez Valley

…This is where all that ash came from – about a million years ago an eruption hundreds of times bigger than Mt St Helens dumped a couple of cubic miles of the stuff and created the current landscape. Today all that is left is a giant circular prarie-filled dish, home to herds of elk.


Another couple of miles down the road, and still well over 8,000 ft the Jemez Valley offers more great climbing, this time on rhyolite.


Helen on The InBetween 5.10a

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