Warren Gatland is prepared for "one hell of a challenge" after being confirmed as the head coach of the British and Irish Lions for the 2013 tour to Australia.

Gatland was the outstanding candidate for the post after leading Wales to the semi-finals of the 2011 Rugby World Cup and last season's grand slam triumph. He will coach Wales in their autumn Tests against New Zealand and Australia but otherwise he will be seconded full-time to the Lions.

The Lions will face Australia in a three-Test series as part of a 10-match tour. "Playing in the southern hemisphere is one of rugby's hardest challenges," Gatland said. "The Lions came close in South Africa [in 2009] and our ambition is to win the series in 2013 – and I believe we have the players to do that."

The New Zealander is expected to confirm his full coaching team in October and it would be a surprise if the likes of Graham Rowntree and Shaun Edwards are not involved. All three were part of the 2009 Lions management in South Africa and received the backing of the then head coach Ian McGeechan to continue in Australia.

"I am really honoured to have been asked to take the position of head coach," Gatland added. "I really enjoyed the experience as one of the assistant coaches in 2009 and since then have harboured the ambition to lead the tour to Australia. Over the coming months I will give careful consideration to the make-up of my coaching staff and of course the playing squad itself.

"A Lions tour is unique, it is the ultimate career pinnacle for coaches and players. I want to ensure that we get the tour environment right so that we are hugely competitive and that our fans are proud of the team."

The Lions had initially planned to hold the announcement in April but were forced into a delay after Gatland broke both his heels in a fall at his house in Waikato.

"It has been no secret that after the initial selection process, Warren was our preferred candidate," the tour manager, Andy Irvine, said. "We had to ensure he was fit to take up the post. Those concerns have now been addressed. Warren has an outstanding coaching record and he has been fully embedded in rugby in the UK and Ireland since 1989."

Gatland coached Ireland for three years between 1998 and 2001 before taking charge at Wasps, where he won a hat-trick of Premiership titles and the Heineken Cup. In 2006, he moved back to New Zealand and coached his native Waikato to the New Zealand provincial title before Wales came calling.

Gatland took charge of a Wales side that had just crashed out of the pool stages of the World Cup and he made an immediate impact, guiding them to the first of two grand slam titles during his tenure. The second was this year and it followed Wales' greatest World Cup performance since 1987, when they came close to beating France to earn a place in the final.

Gatland will become the second New Zealander to lead the Lions on tour to Australia, after Graham Henry's failed attempt to beat the Wallabies in 2001.

Rob Howley led Wales on their summer tour of Australia in Gatland's injury-enforced absence and will continue in that role through the 2013 Six Nations.

British and Irish Lions 2013 tour of Australia

Lions v Barbarians Hong Kong, 1 June

Lions v Western Force Perth, 5 June

Lions v Queensland Reds Brisbane, 8 June

Lions v New South Wales/Newcastle Queensland Country invitational, 12 June

Lions v NSW Waratahs Sydney, 15 June

Lions v ACT Brumbies Canberra, 18 June

Lions v Australia Brisbane, 22 June

Lions v Melbourne Rebels Melbourne, 25 June

Lions v Australia Melbourne, 29 June

Lions v Australia Sydney, 6 July