MATIENZO CAVES PROJECT
Matienzo Caves Project 2024

News and cave exploration around Matienzo during 2024
A map with area names can be found here
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Section links    • Easter  • Summer • Autumn • Christmas / New Year

January / February

   The annual exploration permit was received on February 15th, so the majority of activity by the MCP before then was revisiting sites and administration.

Housekeeping
   Simon and Diane's extensive work over the Christmas period resulted in a 9.5Gb set of photos, Survex centre lines and videos. Together with Paul 'Footleg' Fretwell's collation and overview of the Four Valley's System Survex material, the documentation (photos, videos and survey centre lines) has now been updated. Possibly the best files to view are the Four Valleys System Survex 3d file, the video of the Trident Passages by Si and Di and their latest Trident Passages survey (a pdf from Therion). There is also a transcribed WhatsApp chat about the area in the January / February logbook. Within the download were also photo, video and Survex data for other explorations.
   The new material for of all these - 0059, 0081, 0107, 0260, 0429, 0603 Near the Bar Pot, 0670, 0713 Aguanaz, 0814, 0816, 1018, 1232 Cueva de Germán, 1488, 1551, 2099, 4534 Two Way Cave, 5162, 5362, 5396, 5397 and 5398 can be found within the links list below.
   Sam Davis has contributed photos taken last summer in Cueva-Cubío de la Reñada (#0048), Cueva las Cosas (#0084) and El Cubillón (#2538)
   The Matienzo pre-Easter meeting was held at the YSS hostal at Helwith Bridge on February 17th. Over 20 people attended.
   A practice Easter logbook is available here. The hope is that activities can be digitally, remotely and promptly logged through computers and devices.

Southern sector
   Pete Smith has drawn up a new survey of the popular Cueva de Jivero 2 (#0017), and the nearby site 1111, "Jivero 2½". The nearby Cueva del Selvijo (#0028) was re-explored and re-surveyed by Pete, Juan Corrin and Andy Quin. Last visited in 1995, the main purpose of this four-hour trip (by the same survey team) was to take more passage dimensions for Survex. Leads for a later visit were noted.
   The "Colectivo Piezo" group from Madrid have continued work in Cueva Coquisera (#0039), surveying routes found above the Popcorn Climb.
   
Vicente from the Espeleo Club Tortosa has published a pdf showing the finds in Cueva Vallina (#0733) over 2023 and provided a couple of videos showing Novadome and Tocadome exploration. Survey data and drawings are to follow and should be assimilated and available through the Easter update.

Eastern Mountains
   Known holes close to site 0898 near La Colina were documented, but not explored: new sites 5399 and 5400. Higher up, site 2339 was photographed.

Cubija
   As this January / February update was being finalised (in time for Easter), a water trace from a sink in Cubija valley (near Regatón) had not yet been successfully concluded. Detectors have been placed in the Riotuerto Inlet in Cueva Molino and Fuente el Escalón (Penny's Cave).

The list below shows links to those 37 sites which were extended or newly discovered over January and February, or which have had surveys, references or descriptions updated, photos or movie clips added, or entrances repositioned using a GPS.

Arredondo 0733 Vallina, Cueva;
Cobadal 2099 dig; 5396 cave; 5397 cave;
Cubija 0670 shaft; 0814 shaft; 0816 shaft;
El Naso 0059 Molino, Cueva del;
La Colina 0898 cave & shafts; 5398 cave; 5399 cave; 5400 cave;
La Secada 0081 Carcavuezo, Cueva de; 0084 Cosas, Cueva las; 0252 Decepción, Torca la (top entrance); 0260 shaft; 0603 Near the Bar Pot; 1018 dig; 1232 Germán, Cueva de; 1488 cave; 1551 shaft; 4534 Two-way Cave; 5362 shaft;
Llueva 0114 Llueva, Cueva;
Moncobe 2538 Cubillón, El;
Muela 2339 cave;
N Vega 0280 Escalón, Fuente El; 0429 shaft;
Ozana 0017 Jivero 2, Cueva de; 0028 Selvijo, Cueva del; 1111 cave;
Riaño 0105 Riaño, Cueva de; 0107 Hoyuca, Cueva;
S Vega 0039 Coquisera, Cueva de; 0048 Reñada, Cueva-Cubío de la; 5162 shaft;
San Antonio 0713 Aguanaz, Fuente;

January / February logbook