On Wednesday afternoon in Lane County, Oregon, Webb, a tight end for the Ducks, collapsed on the slides west of Triangle Lake.
His death appears to be accidental, officials said.
Webb, who played tight end for the Ducks, fell on the slides west of Triangle Lake.
The lake is located about 35 miles west of the university's campus in Eugene.
Deputies arrived to the scene at 2:30 p.m. and bystanders and paramedics were unable to revive him, the Lane County Sheriff’s Office said.
He was found "approximately 100 yards down a steep trail" and search and rescue personnel assisted with bringing him back to the roadway, authorities said.
News of his death prompted an outpour of tributes. Teammate Alex Forsyth, who plays offensive lineman, tweeted: “RIP brother. Fly high.”
San Francisco 49ers star Arik Armstead described Webb as a “great young man with a promising future gone too soon.”
Sacramento Vice Mayor Angelique Ashby called Webb’s death “unbelievable,” adding he was “too young.”
One of Webb's family friends and coach, Terrance Leonard, talked about his death saying this is a big loss for everyone.