The father of an autistic teenager who was found dead after a two-day search in Victoria's Yarra Ranges has given a touching tribute to his son.

William Wall, 14, went missing after he left his home to go for a walk and was tragically found dead around 34 hours later.

William’s dad Shane Wall gave a touching tribute to his “beautiful and caring son” on Thursday morning via Facebook..

“I wish I had better news regarding our beautiful and caring son and brother William Wall, unfortunately he is no longer with us,” Mr Wall wrote.

“We don’t know how to begin to thank everyone who searched and supported us in the last 48 hours.

“The list is endless. We are so fortunate to live in an amazing and supportive community.”

Mr Wall told reporters that his son wanted to join the airforce, loved dogs and exercise and was energetic.

“He loves exercise, 15 minutes to an hour, it’s not unheard of, he’s a decent-sized kid, very energetic, athletic,” Mr Wall said.

“He’s a kid that sticks to himself, does all his school work, so this (his disappearance) is really out of the ordinary.”

Friends and family are devastated and have passed on their condolences to the Wall family.

“I’ve got no words, we are thinking of you all, and will treasure the memories of Wil as a little boy,” Maria Niksic posted.

Tony Carden said Mr Wall was one of the “most dedicated dads” he knew.

“My heart breaks for you and your family,” he said.

“This is the cruellest blow to one of the most dedicated dads I know. Know that Will and you are loved by many.

“I wish you and your family all the very best in drawing on your great strength to move forward.”

Victorian Premier Daniel Andrews passed on his condolences at his daily media briefing.

“On behalf of all Victorians I would like to send our love and support, our condolences and best wishes to the family of William Wall,” he said.

This is a terrible tragedy and one that has touched every single Victorian.

“To every member of William’s family we say how sad we are, we’re sharing your grief, your loss and any support that we can provide to you we stand ready to do that.”

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This article originally appeared on Over60.