| 28th June | --- | First expedition members and expedition vehicle
leave Britain. | --- |
| 29th June | --- | Expedition arrives at Los Lagos. Base camp
established at Lago Ercina. | --- |
| 30th June - 1st July | --- | Gear carried up the hill; camp established
at Ario. | --- |
| 2nd July | 8/11 | Cave rigged to fourth pitch. | FAB SB TSH |
| 3rd July | 8/11 | Cave rigged to Very Big Chamber. | RG PMM HS |
| 3rd July | 8/11 | Bolting and SRT practice. | TSH CV |
| 4th July | 8/11 | Rigged Wet Cheeks Rift. | FAB TSH HS |
| 4th July | Shaft in Ario bowl | SRT practice. | SB PMM CV |
| 6th July | 71/5 | Cave dug open and bottomed. | FAB PMM CV |
| 7th July | 8/11 | Rigged Fever Pitch. | RG TSH HS |
| 7th July | Area 11 | Surface survey to 8/11. | PMM CV |
| 9th July | 8/11 | Rigged The Unwell. | FAB TSH HS |
| 10th July | 8/11 | Rigged to limit of exploration and pushed to top of
Last Pitch | SB RG GL PMM |
| 11th July | Area 9 | Discovered and bottomed 18/9; discovered 19/9 - 21/9 |
RB GL |
| 11th July | 16/4 | Descended and bottomed cave. | TSH CV |
| 12th July | 8/11 | Surveyed up to top of Last Pitch. | RB GL |
| 12th July | Culiembro | Dye detectors placed. | DRB PMM |
| 12th July | 16/4 | Surveyed cave. | TSH CV |
| 13th July | Area 9 | Bottomed 20/9 and 16/9A. | RB GL HS |
| 13th July | Hoyo La Madre | Dye detectors placed. | DRB |
| 14th July | 8/11 | Explored inlet near sump. Rigged Last Pitch. |
RG PMM HS |
| 14th July | Pozu los Texos | Started rigging shaft. | TSH |
| 14th July | Rio Casaņo, La Molina | More dye detectors
placed. | DRB |
| 15th July | Areas 4 and 13 | Found 29/4 - 33/4; failed to find 28/4 or
Bufona. | GL |
| 15th July | Rio Texu | Unsuccessful attempt to place dye detectors. | DRB TSH |
| 16th July | 8/11 | Pushed and surveyed to Mud Sump. | RB SB GL |
| 16th July | Pozu los Texos | Finished rigging cave; placed dye detectors;
spotted promising looking tubes. | DRB TSH |
| 17th July | 69/5 | Dug. | RB GL |
| 17th July | Area 4 | Found 28/4 and 34/4. | RG HS CV |
| 17th July | Rio Texu | Placed more dye detectors. | TSH PMM |
| 18th July | Area 7 | Bottomed 41/7. | RB RG |
| 18th July | 28/4 | Bottomed main route in cave. | GL HS |
| 18th July | 8/11 | Checked out Lower Streamway area; found stream\-way
below Big Wind. | CJD JAR ADS |
| 18th July | Pozu los Texos | Climb examined. | DRB TSH |
| 19th July | 8/11 | Discovered Sportive Gods, and connected it to Blue
Bag Chamber; climbed into fault passage above sump. | CJD ADS |
| 19th July | 16/11 | Cave bottomed. | RB HS |
| 20th July | 8/11 | Dug the Dry Sump, which was wet. | GL |
| 20th July | Area 11 | Found 18/11, 19/11. | PMM JAR |
| 20th July | 8/11 | Explored fault passage above sump. | RG ADS |
| 21st July | 69/5 | Continued digging. Rift seen heading off at bottom. |
{RB GL |
| 21st July | 8/11 | Connected stream below Big Wind to bottom of Last
Pitch; surveyed Lower Streamway; found passage above final streamway; started
climb above Mud Sump. | TCG CJD JAR ADS |
| 21st July | Pozu los Texos, Rio Texu | Changing dye detectors. | TSH |
| 22nd July | 8/11 | Explored large fault passage above Big Wind. | TCG ADS |
| 22nd July | 8/11 | Acclimatization trip to Very Big Chamber. | RB SJP CV |
| 22nd July | Areas 4, 11 and 13 | Found 20/11 - 23/11, Pozu Cabeza Julagua
(8/13) and 9/13 | PMM JAR |
| 23rd July | 69/5 | Continued digging. Side rift enlarged; black space
visible beyond. | SB RG GL SJP |
| 23rd July | 8/11 | Pushed leads from Blue Bag Chamber to choke; continued
climb above Mud Sump - pinched off; climbed up further back - all routes
choked; penduled into another high level rift. | CJD ADS |
| 23rd July | Pozu Cabeza Julagua | Rigged cave and discovered Wet
Dreams. | TCG PMM JAR |
| 24th July | 69/5 | Pushed through rift to discover 5m of passage, with
continuation hopelessly choked. | RB SB GL SJP |
| 24th July | Area 11 | Surface survey; found 24/11 - 28/11; end of 8/11
found to be very close to resurgence at Mohandi. | RG JAR |
| 24th July | Pozu los Texos | Started bolting climb. | DRB TSH |
| 25th July | 28/11, 26/11 | 28/11 dug open - no way on. 26/11 pushed and
connected into 8/11 near Mud Sump. | RB RG GL |
| 25th July | Pozu del Raptor (23/11) | Descended entrance pitch to head of
next pitch. | TCG SJP JAR |
| 25th July | 26/11 | Recovering rope to use in Pozu del Raptor. | TCG SJP |
| 25th July | Pozu del Raptor | Descended next pitch and pushed streamway to
PMAX corner. | TCG SJP |
| 25th July | 26/11 | Surveyed Pozu Mohandi and high levels above final
streamway. | CJD ADS |
| 25th July | Near 56/5 | Looking for new entrances. | SB CV |
| 26th July | Areas 4 and 13 | Unsuccessful search for Bufona. Found 34/4
and 29/11. | GL |
| 26th July | 26/11 | Surveyed bottom of fault above sump. | PMM ADS |
| 26th July | 26/11 | Surveyed 26/11 entrance. | SB CJD CV |
| 26th July | Area 4 | Lost boot on way to above trip, so jacked. Got lost
on way back, and found 37/4. | CV |
| 26th July | Pozu Cabeza Julagua | Surveyed and photographed extensions;
detackled cave. | RB RG TCG |
| 26th July | Pozu los Texos | Finished bolting climb - no way on at
top. | DRB TSH |
| 27th July | Pozu del Raptor | Surveyed previous extensions, and connected
cave into Wet Cheeks Rift in 8/11. | TCG ADS |
| 27th July | 36/4, 9/13 | Bottomed both caves. | RG TK NM SJP JAR CV
NZ |
| 27th July | Top Camp | Established Top Camp. | GL |
| 28th July | 8/11 | Through trip to 26/11. | AA RG NM SJP SGR
NZ |
| 28th July | 8/11 | Photography trip. | RB TCG TK JAR |
| 28th July | Xitu | Rigged entrance pitches. | DRB TSH |
| 28th July | Area F | Relocated F19, F22, F23, F24, F25, F27, F33, F34;
discovered F55 and two entrances near F38. | GL |
| 28th July | Optimisto | Rigged cave to previous limit; passed squeeze at
end to discover 50m of passage ending at sump, with possible diggable bypass. |
CJD ADS WJS |
| 29th July | 20/11 | Pushed 20/11 to connect with 8/11 at three way
junction; derigged 8/11 entrance series. | PMM NM NZ |
| 29th July | Optimisto | Various leads examined. | CJD TK ADS |
| 29th July | Pozu del Raptor | Photography trip. | RB RG TCG |
| 29th July | 26/11 | Photography trip. | RB RG TCG ADS |
| 29th July | Area F | Relocated F5, F13, F14, F41, F43; discovered~F56. |
GL SGR |
| 31st July | Xitu | Rigged to Customs Hall; lead found at top of
Bluewater~II. | NM WJS NZ |
| 31st July | 20/11 | Dug in Very Big Chamber. | AA TK SJP CV |
| 31st July | F43 | Bottomed cave. | RB GL |
| 31st July | Area F | Discovered Cueva del Arco (F57), F58 | RB GL |
| 1st August | Xitu | Rigged to the top of The Gap; pushed lead in
William's Bit for about 50m. | PMM WJS |
| 1st August | Xitu | Leads from previous day explored, but all ways
soon stopped. | NM NZ |
| 1st August | 24/11 | Bottomed cave. | RG TK SJP |
| 1st August | Cueva del Arco | Pushed cave down 150m snow slope, and up
climbs at bottom. | GL SGR |
| 2nd August | Pozu del Raptor | Continued survey. | RG PMM |
| 2nd August | Optimisto | Derigged top half of cave. | TK SJP |
| 2nd August | Cueva del Arco | Rerigging trip. | RB SB |
| 3rd August | Xitu | Pushed lead in William's Bit, and discovered Mud
Sump. | AA TK CV NZ |
| 3rd August | Xitu | Traversed across pit at previous end of William's
Bit, to discover choke. | NM SJP WJS |
| 3rd August | Cueva del Arco | Rerigged cave on a single rope; surveyed
previous finds; dropped pitch at end - no way on; surveyed extension. | RB SB
GL |
| 4th August | Xitu | Pushed lead above Mud Sump to find about 100m of
passage, Budapestilential Rift, ending at pitch. | TK NZ |
| 4th August | Pozu del Raptor, 22/11 | Derigged cave. | RG CV |
| 4th August | F54 | Rigged entrance shaft, and followed rift to terminal
choke. | RB GL |
| 4th August | Cueva del Arco | Checked a few leads - no way on found. | SB
SGR |
| 4th August | F60 | Cave discovered and bottomed. | SB SGR |
| 4th August | F41 | Rigged first three pitches to a snow slope. | RB GL |
| 5th August | Area 11 | Found 30/11 and 31/11 | PMM WJS |
| 5th August | 26/11, 20/11 | Surveyed connection with Pozu del Raptor;
detackled Wet Cheeks Rift. | PMM WJS |
| 5th August | 26/11 | Descended pitch at end of large fault passage to
find chamber and pitch with 7 second rattle. | RG SJP |
| 5th August | F41 | Rigged snow slope and discovered next pitch. | RB GL |
| 5th August | F5 | Bottomed cave. | SB SGR |
| 7th August | 20/11 | Dug Dry Sump | GL WJS |
| 7th August | Xitu | Tourist trip to William's Bit. | AA TK |
| 7th August | Xitu | Dropped pitch found on previous trip, and discovered
sump. Descended pitch in rift, but route became too tight. | NM NZ |
| 8th August | 20/11 | Dug Dry Sump | GL WJS |
| 8th August | F41 | Rigged next pitch and discovered rift with 2 - 3 second
rattle; derigged cave. | SB SGR |
| 8th August | F48 | Rigged entrance shaft; followed meandering rift for a
bit. | IA GN |
| 8th August | F46 | Pushed entrance shaft; found tight rift. | IA GN |
| 9th August | Wiggly Cave | Rigged and bottomed cave. | RB GL |
| 9th August | 20/11 | Carrying gear out of cave. | AA NM \Kutya |
| 9th August | F14 | Cave explored and bottomed. | RB SB SJP |
| 9th August | Area F | Discovered F59. | RB SB SJP |
| 9th August | Cueva del Arco | Cave photographed and derigged. | IA GN SGR |
| 9th August | F42 | Cave discovered and labelled as F59 | IA GN SGR |
| 9th August | Areas 7 and 9 | Discovered 48/7 and 22/9. | SGR |
| 10th August | Xitu | Surveyed and detackled Mud Sump extension. | RB WJS |
| 10th August | Area F | Discovered F62 and F64 | RG SB SJP |
| 10th August | Area F | Bottomed F31, F42 and two unmarked shafts. | IA
AA TK GN |
| 11th August | Xitu | Surveyed Budapestilential Rift; detackled back to
start of entrance shaft. | RG SGR WJS |
| 11th August | 20/11 | Dug Dry Sump. | GL SJP |
| 11th August | Texos | Derigged cave. | AA NM NZ |
| 12th August | 20/11 | Dug Dry Sump, derigged cave. | RB GL |
| 12th August | 26/11 | Surveyed Fault Passage; derigged cave. | SB RG SJP |
| 12th August | Top Camp | Camp derigged. | IA GN |
| 13th August | Xitu | Derigged cave. | RB SB PMM GN SJP |
| 13th - 15th August | --- | Gear carried down to Los Lagos. | --- |
| 16th August | --- | Van leaves Los Lagos. | --- |
| 20th August | --- | Van arrives back in Oxford. | --- |