Friends, family and former teammates of Cody Beaumont have remembered the 21 year old as a "very talented all-round sportsman" with a very quirky sense of humour.
Mr Beaumont grew up in Albury and attended Trinity Anglican College before moving to America to complete high school.
He died in a single-car crash in Redding, California, on Sunday.
Cody's mother Kim Beaumont posted a tribute to her son online saying "no words" could describe the loss.
"It is with a much devastated and heavy hearts that we would like you all to know that our beautiful boy Cody Beaumont was killed in a single car accident," she said.
"No words can describe how we are feeling and how much we will always love you.
"Our lives will never be the same. We will see you again son. Prayers appreciated."
Mr Beaumont's brother Jayden paid tribute to an "amazing young man".
"We have been overwhelmed with the support we have received from the local community, both here in Albury and in Redding, to help bring our brother home," he said.
"Cody was an amazing young man, and will always be remembered for the way he uplifted those around him. His athletic ability was unparalleled - excelling at every sport he touched. His sharp wit and sense of humour will remain in our memories always.
"We know Cody has impacted the lives of so many all over the world.
"We love you so much, and we're so proud to call you our brother."
While in Albury, Mr Beaumont played third and second grade for the North Albury Hoppers.
In a statement the club paid tribute to their former teammate.
"On behalf of the whole North Albury Football and Netball Club, we would like to extend our sincere condolences to Beaumont family and friends," it said.
"Cody was an incredible athlete, but more importantly a close friend and well loved teammate.
"He was remembered for his infectious smile and for his positive attitude in everything he tried his hand at.
"We cherish the memories shared and are deeply saddened to lose such respected man of integrity. Rest easy brother from your Hoppers brothers."
In an earlier Facebook post announcing Cody's death, the club described him as "a terrific young man taken far too soon."
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California Highway Patrol told the Record Spotlight Mr Beaumont was 'travelling too fast to negotiate a curve in the road, causing his car to roll over and strike a tree'.
Mr Beaumont moved to Redding as a teenager in 2012 where he completed high school before attending Shasta College.
Shasta College's track and field team paid tribute to one of their 'beloved' team members.
"Cody was a tremendous athlete and an even better person," they said.
"Cody possessed incredible athletic ability. His efforts and dedication allowed him to become a GVC Champion in multiple events.
"Cody was a tremendous teammate, leader, and friend.
"His energetic smile, quirky sense of humor (sic) and relentless competitiveness will be greatly missed."
Jayden Beaumont said a memorial service would be advised once Cody was "home with us".
Mr Beaumont's friends have launched a gofundme campaign to pay for him to be returned to Australia.
In one day, the campaign had already raised $32,000, surpassing their $30,000 goal.
Organisers said the Beaumonts "have poured their lives into so many of us and we want to make sure they feel our care and love in a tangible way at this time".
Cody Beaumont is survived by his mother Kim, father Steve, brother Jayden and sister Kiah.
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