A memorial service has been held for Irish climber Séamus Lawless.
The 39-year-old from Bray, Co Wicklow fell while descending from the summit on Mount Everest last week.
The search for him was called off last Friday, and his body has not been found.
Mr Lawless was an assistant professor in Artificial Intelligence at Trinity College Dublin's School of Computer Science and Statistics.
He had set out on the expedition in a bid to raise funds for Barretstown Children's Charity.
The group supports seriously ill children and their families.
Monday's memorial was held in the Holy Redeemer Church in Bray.
A picture of the mountaineer was placed on the alter beside a photo of the sunrise on the morning he summated Mount Everest.
Crowds spilled out from The Holy Redeemer Church in Bray at a memorial service this morning for Seamas Lawless who is missing on Mount Everest. pic.twitter.com/zDxYQ3xSrb
— Kim Buckley (@KiiimBuckley) May 27, 2019
Speaking at the service his friend Rob said that despite climbing Mount Everest, his greatest achievement was his family.
"His dream of reaching the top of Everest was fulfilled - he accomplished what he set out to do.
"Shay achieved a number of things in his life - however, his greatest achievement was his family".
His obituary reads: "He will be sadly missed by his loving wife and best friend Pam, his special little girl Emma, adoring parents Betty and Jimmy, brother and sisters Ciarán, Deirdre, Sheila, Fidelma, Jemma and Eilis, large extended family and wide circle of friends."
His family has said that donations can be made in memory of Shay, if desired, to the Barretstown Children's Charity.
Trinity College has also said it plans to host a memorial service "in the coming weeks."
Séamus is survived by his wife Pam and his daughter Emma.