Lago Ercina

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Site list (GPS fixes) Walks (GPS tracks)  Video clips Panoramas

Coordinates used

Electronic projects:

 Bat detector
 Lamp tests
 µ-controlled lamp
 SEPIC-based lamp
 ISP isolators
 Making SMT boards

Expedition logs:

  Spain 1973, 1974,
  1975, 1976, 1977,
  1979, 1982, 1983,
  1985, 1986, 1987,
  1988, 1989, 2000,
  2001, 2002, 2003,
  2004, 2005, 2006,
  2007, 2008, 2009,
  2010, 2011, 2012,
  2013, 2014, 2015,
  2016, 2017, 2018,
  2019, 2020, 2021,
  2022, 2023
  New England


 The Battle of
 El Mazuco

Speleogroup video clips

This is an index of the video clips on the Speleogroup website, most recent first.
Click on the thumbnail (or other controls if visible in your browser) to view at a larger size.  The numbers in the captions are the clip length in seconds.
Click on a date to view the given day in the relevant expedition log for more context.

Cobijeru at low tide

Cobijeru sea cave traverse, at low tide
(N43°23'49" W4°36'30").

AsonSource Waterfall (9)

Ason source waterfall
(N43°12'18" W3°35'10").

Fresno ascent (34)

Near Pozo Fresno, El Mazuco
(N43°22'47" W4°51'26").

Cobijeru sea cave, high tide (9)

Cobijeru sea cave
(N43°23'47" W4°36'35")

Paseo de San Pedro – Sax & bells (16)

Paseo de San Pedro, Llanes (N43°25'25" W4°45'11").

Pozo de Fresno, El Mazuco (12)

Fly-over Pozo de Fresno (N43°22'44" W4°51'20").

Bejes drone hole 2 (6)

Possible cave above road to Bejes (N43°14'47" W4°38'31").

Bejes drone hole 1 (7)

Possible cave above road to Bejes (N43°14'49" W4°38'29").

Suarías sheep (5)

Sheep (with sheepbells) above Cabañuca, near Suarías.

Cobijeru cave – sea breaking (5)

Cobigero sea cave – waves breaking
(N43°23'47" W4°36'35")

Colláu Pandébano cowbells (16)

Cows (and cowbells) at Colláu Pandébano, between Sotres and Bulnes.

Expeditions to the Picos de Europa and elsewhere since 1973.
Please e-mail Mike Cowlishaw ( or Bill Collis (
if you have any corrections, suggestions, etc.   See also the SpeleoTrove speleology section ».
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This page was last edited on 2022-07-01 by mfc.