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Eastern Massif caving expeditions

Tresviso 2022 Report published

The expedition report now available to download.

Tresviso 2022 Diving

Two excellent videos from the diving undertaken by Chris Jewell, on this years’ expedition:

Tresviso 2022 Summary

The Tresviso 2022 expedition just returned from Spain a few weeks back. A very busy and successful trip which left little time for updating the blog (again). The following is a summary and the full report will follow shortly. Overview:The 2022 expedition was to continue with ongoing exploration in Andara (Eastern Massif) of the Picos…
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Tresviso 2022 Expedition Overview

Tresviso 2022  Eastern Massif, Picos de Europa, Northern Spain   1st September 2022– 20th September 2022      Overview & brief history:    The Picos de Europa is a range of mountains 20km inland from the northern coast of Spain, forming a Westerly extension of the Cantabrian Mountains.  It consists of three main areas, the Western, Central and…
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More videos

There are some fantastic caving videos out there on the web, excellent resolution, interesting, great music, commentary and annotations… the following videos are not them.

Things to do in a Pandemic (Part 2)

Following on from Things to do in a Pandemic (part 1) another area I have been working on over the past >2 years are updates of the survey repository. In 1996, when I first went out to Tresviso with LUSS, we had no real information on the caves other than the LUSS journals and a…
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Tresviso 2021

Despite best efforts the 2021 expedition did take place with continued exploration in the Cueva del Nacimiento cave in the Urdon Gorge (Tresviso, Cantabria).  Expeditions in the previous years have been slowly extending the cave up through the mountain range, with the intention of trying to connect the cave with the known deeper pot holes…
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Things to do in a Pandemic (part 1)

With no expedition in 2020 I was left with plenty of time to go through reams and reams of data, surveys and photos from the past 10 years of the expedition. About 10 years ago on one of the expeditions I took a small video camera, with the intention of creating a video log of…
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Cowshead Cavern (in the news)

Cowshead Cavern (or Cueva de la Cabeza de Vaca) was discovered in 1986 by a L.U.S.S. / S.W.C.C. expedition. A small resurgence caves leads to some high level chambers and in one corner a calcited ‘cows’ skull was discovered. Fast forward a few years and the skull was extracted for analysis and research. It transpires…
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Parting Friends (2019)

A very feeble attempt at a short video of the 2019 Parting Friends dives in Cueva del Nacimiento.