The final leg of Jackson and Freya's trip. Leo Holding/SWNS
Jackson Houlding on his three day trip to climb Piz Badile. Leo Holding/SWNS
A toddler and his seven-year-old sister have smashed records to become the youngest mountain climbers to scale a massive 10,000ft peak and were given a reward - of Haribo. Leo Holding/SWNS
Leo Houlding with his Freya on their three day trip to climb Piz Badile. Leo Holding/SWNS
Freya Houlding, seven, and three-year-old Jackson were literally following in their professional climber father's footsteps as he led them up Piz Badile on the border of Switzerland and Italy. Leo Holding/SWNS
And now Freya has become the youngest person to climb the mountain unaided, and Jackson the youngest person to get to the top - 153 years to the day since the peak was first climbed. Leo Holding/SWNS
Jessica and Jackson Houlding on a three day trip to climb Piz Badile. Leo Holding/SWNS
Dad Leo Houlding, 40, spends his working life climbing some of the most dangerous and most remote mountains on earth, and his wife, 41-year-old Jessica, a GP, is an avid climber too. Leo Holding/SWNS
The Houlding family on a four day trip to climb Piz Badile. Leo Holding/SWNS
Jackon says he enjoyed his climb - and the sweets he got as a well done. Leo Holding/SWNS
Jackson Houlding is one of a list of toddlers that have broken world records. Leo Holding/SWNS
The final leg of Jackson and Freya's trip. Leo Holding/SWNS
Jackson Houlding on his three day trip to climb Piz Badile. Leo Holding/SWNS
A toddler and his seven-year-old sister have smashed records to become the youngest mountain climbers to scale a massive 10,000ft peak and were given a reward - of Haribo. Leo Holding/SWNS
Leo Houlding with his Freya on their three day trip to climb Piz Badile. Leo Holding/SWNS
Freya Houlding, seven, and three-year-old Jackson were literally following in their professional climber father's footsteps as he led them up Piz Badile on the border of Switzerland and Italy. Leo Holding/SWNS
And now Freya has become the youngest person to climb the mountain unaided, and Jackson the youngest person to get to the top - 153 years to the day since the peak was first climbed. Leo Holding/SWNS
Jessica and Jackson Houlding on a three day trip to climb Piz Badile. Leo Holding/SWNS
Dad Leo Houlding, 40, spends his working life climbing some of the most dangerous and most remote mountains on earth, and his wife, 41-year-old Jessica, a GP, is an avid climber too. Leo Holding/SWNS
The Houlding family on a four day trip to climb Piz Badile. Leo Holding/SWNS
Jackon says he enjoyed his climb - and the sweets he got as a well done. Leo Holding/SWNS
Jackson Houlding is one of a list of toddlers that have broken world records. Leo Holding/SWNS
The final leg of Jackson and Freya's trip. Leo Holding/SWNS