Disputed Expeditions
63 expeditions with disputed summit claims recorded in the Himalayan Database.
| Year | Peak | Height (m) | Route | Nationality | Leaders | Summit Date | Members | Summited | Expedition |
|---|---|---|---|---|---|---|---|---|---|
| 2023 | Chhopa Bamare | 6109 | S side | Nepal | Lila Bahadur Basnet | 29th Dec 2023 | 6 | 4 | CBAM23401 |
| 2022 | Pokharkang | 6372 | N side | France | Arnaud De Jaureguiberry | 14th Apr 2022 | 9 | - | POKR22101 |
| 2019 | Nemjung | 7140 | N Spur | Italy | Marco Farina | 3rd Oct 2019 | 3 | - | NEMJ19301 |
| 2017 | Manaslu | 8163 | NE Face | Switzerland | Sophie Lavaud | 26th Sep 2017 | 5 | 5 | MANA17341 |
| 2016 | Ama Dablam | 6814 | SW Ridge | Germany | Katharina Grasegger | 6th May 2016 | 5 | - | AMAD16101 |
| 2016 | Ama Dablam | 6814 | SW Ridge | Spain | Manuel Rodriguez Gonzalez | 6th Nov 2016 | 3 | 3 | AMAD16313 |
| 2016 | Makalu | 8485 | Makalu La-NW Ridge | Germany | Juergen Greher | 23rd May 2016 | 11 | 1 | MAKA16102 |
| 2015 | Everest | 8849 | S Col-SE Ridge | Norway | Paal Morten Tande | - | 3 | - | EVER15155 |
| 2013 | Annapurna I | 8091 | S Face | Switzerland | Ueli Steck | 9th Oct 2013 | 2 | 1 | ANN113301 |
| 2013 | Cho Oyu | 8188 | NW side | Estonia | Uko Noulik | 13th May 2013 | 2 | 2 | CHOY13105 |
| 2013 | Gyajikang | 7074 | NW Ridge? | France | Pierre Hentgen | - | 5 | - | GYAJ13302 |
| 2012 | Annapurna I | 8091 | N Face | USA | Cleo Weidlich | 20th Apr 2012 | 1 | 1 | ANN112112 |
| 2012 | Annapurna I | 8091 | N Face | India | Basanta Kumar Singha Roy | 20th Apr 2012 | 2 | 2 | ANN112102 |
| 2012 | Everest | 8849 | S Col-SE Ridge | India | Shrihari Tapkir | 18th May 2012 | 6 | 3 | EVER12142 |
| 2012 | Manaslu | 8163 | NE Face | Australia | Tony Dignan | 11th May 2012 | 1 | - | MANA12105 |
| 2012 | Manaslu | 8163 | NE Face | France | Serge Bazin | 23rd Sep 2012 | 2 | - | MANA12337 |
| 2011 | Dhaulagiri I | 8167 | NE Ridge | Italy | Mario Merelli | 15th May 2011 | 2 | 1 | DHA111106 |
| 2011 | Everest | 8849 | N Col-NE Ridge | Switzerland | Kari Kobler | 21st May 2011 | 13 | 9 | EVER11139 |
| 2010 | Ama Dablam | 6814 | SW Ridge | Switzerland | Joelle Brupbacher | 31st Oct 2010 | 1 | 1 | AMAD10326 |
| 2010 | Manaslu | 8163 | NE Face | S Korea | Kim Hong-Bin | 23rd Apr 2010 | 1 | - | MANA10111 |
| 2009 | Annapurna IV | 7525 | NW Ridge | Bangladesh | Mohammad Musa Ibrahim | 14th Jun 2009 | 3 | 3 | ANN409201 |
| 2009 | Panpoche 1 | 6620 | W Ridge | Japan | Yusuke Kuramoto | 30th Sep 2009 | 6 | - | PAN109301 |
| 2008 | Lhotse | 8516 | W Face | USA | Brian Oestrike | 26th May 2008 | 1 | 1 | LHOT08116 |
| 2007 | Cho Oyu | 8188 | NW side | Russia | Vladimir Zadokhin | 2nd Oct 2007 | 3 | 1 | CHOY07319 |
| 2007 | Everest | 8849 | S Col-SE Ridge | Pakistan | Muhammed Faizan | 21st May 2007 | 1 | - | EVER07189 |
| 2006 | Cho Oyu | 8188 | NW side | Colombia | Camilo Lopez | 1st Oct 2006 | 1 | 1 | CHOY06372 |
| 2005 | Dhaulagiri I | 8167 | NE Ridge | S Korea | Ahn Jae-Hong | 4th May 2005 | 8 | 1 | DHA105103 |
| 2005 | Everest | 8849 | N Col-NE Ridge | Denmark | Nick Nielsen | 29th May 2005 | 1 | 1 | EVER05121 |
| 2005 | Everest | 8849 | N Col-NE Ridge | Bhutan | Karma Gyeltshen | 21st May 2005 | 1 | 1 | EVER05111 |
| 2004 | Cho Oyu | 8188 | NW side | Belarus | Irina Vialenkova | 5th Oct 2004 | 1 | 1 | CHOY04314 |
| 2004 | Makalu | 8485 | NW Ridge-N Face of Kangchungtse-Makalu La-NW Ridge | France | Jean-Christophe Lafaille | 18th May 2004 | 1 | - | MAKA04108 |
| 2003 | Cho Oyu | 8188 | NW side | Japan | Takashi Shirota | 26th Sep 2003 | 1 | 1 | CHOY03312 |
| 2001 | Kangchenjunga | 8586 | SW Face | Poland | Piotr Pustelnik | 15th May 2001 | 9 | 4 | KANG01101 |
| 2001 | Makalu | 8485 | Makalu La-NW Ridge | Italy | Renzo Corona | 14th May 2001 | 10 | 1 | MAKA01107 |
| 1998 | Ama Dablam | 6814 | SW Ridge | France | Jean Corniglion | 26th Oct 1998 | 3 | - | AMAD98320 |
| 1998 | Everest | 8849 | S Col-SE Ridge | Spain | Juan Corro | 15th Oct 1998 | 6 | 1 | EVER98303 |
| 1998 | Everest | 8849 | S Col-SE Ridge | Nepal | Kaji Sherpa | 17th Oct 1998 | 5 | 2 | EVER98302 |
| 1997 | Lhotse | 8516 | W Face | Italy | Sergio Martini | 15th Oct 1997 | 2 | 2 | LHOT97302 |
| 1995 | Makalu | 8485 | Makalu La-NW Ridge | France | Benoit Chamoux | 7th May 1995 | 3 | 2 | MAKA95104 |
| 1993 | Dhaulagiri I | 8167 | NE Ridge | France | Benoit Chamoux | 6th Oct 1993 | 5 | 1 | DHA193302 |
| 1993 | Dhaulagiri I | 8167 | NE Ridge | Japan | Hirotaka Imamura | 6th Oct 1993 | 6 | 2 | DHA193301 |
| 1993 | Pumori | 7138 | E Ridge from N | Netherlands | Bart Vos | 4th Nov 1993 | 1 | 1 | PUMO93304 |
| 1990 | Kagmara I | 5978 | N Face | UK | Glenn Rowley | 12th Nov 1990 | 5 | - | KAG190301 |
| 1990 | Lhotse | 8516 | S Face (central part) | Yugoslavia | Tomo Cesen | 24th Apr 1990 | 3 | 1 | LHOT90102 |
| 1990 | Tukuche | 6920 | NW Ridge | Greece | Eleni Stamatakis | 24th Oct 1990 | 2 | 1 | TUKU90301 |
| 1989 | Annapurna II | 7937 | W Ridge from N | S Korea | Lee Dong-Myung | 21st Sep 1989 | 9 | 2 | ANN289301 |
| 1989 | Cho Oyu | 8188 | W Face-W Ridge from S | S Korea | Park Sang-Yul | 2nd Sep 1989 | 11 | 2 | CHOY89301 |
| 1989 | Everest | 8849 | Lho La-W Ridge from S | S Korea | Lee Suk-Woo | 23rd Oct 1989 | 11 | 1 | EVER89314 |
| 1989 | Jannu | 7711 | N Face (direct) | Yugoslavia | Tomo Cesen | 28th Apr 1989 | 2 | 1 | JANU89101 |
| 1987 | Cho Oyu | 8188 | W Ridge-W Face from N | France | Tierry Renard | 23rd Sep 1987 | 2 | 1 | CHOY87303 |
| 1984 | Lobuche East | 6119 | S Ridge-SE Ridge | Nepal | Basundhara Lama | 11th Sep 1984 | 8 | 8 | LOBE84301 |
| 1983 | Jongsang | 7462 | SE Ridge from E | India | Asok Pretap Singh, Prem Prakash | 11th Jun 1983 | 44 | 3 | JONG83102 |
| 1982 | Bhrikuti | 6476 | W Ridge | Japan | Kaoru Kikuchi | 18th May 1982 | 14 | 10 | BHRI82101 |
| 1981 | Lhotse | 8516 | S Face | Yugoslavia | Ales Kunaver | 14th May 1981 | 25 | - | LHOT81102 |
| 1980 | Makalu | 8485 | W Pillar (Ridge) | USA | John Roskelley | 15th May 1980 | 4 | 1 | MAKA80101 |
| 1979 | Kangtega | 6783 | N Face | Japan | Kazuo Yuda | 21st Apr 1979 | 5 | 2 | KTEG79101 |
| 1979 | Lobuche East | 6119 | SE Ridge | Japan | Y. Hayata | 1st May 1979 | 6 | 5 | LOBE79101 |
| 1978 | Cho Oyu | 8188 | SE Face | Austria | Eduard Koblmueller | 27th Oct 1978 | 5 | 2 | CHOY78301 |
| 1978 | Tilicho | 7134 | NE Spur-N Ridge | France | Roger Emin | 10th Oct 1978 | 6 | 1 | TILI78301 |
| 1972 | Kande Hiunchuli | 6627 | SW Ridge | Japan | Hiroshi Nishino | 18th Oct 1972 | 4 | 2 | KAND72301 |
| 1970 | Churen Himal East | 7371 | E side-E Smt | S Korea | Kim Jung-Sup | 29th Apr 1970 | 6 | 1 | CHRE70101 |
| 1964 | Manaslu North | 6994 | S Ridge | Netherlands | Jan Boon | 25th Oct 1964 | 5 | 3 | MANN64301 |
| 1949 | Paldor | 5903 | E Ridge | UK | H. W. Tilman | - | 3 | 2 | PALD49201 |