A skier died after hitting a tree at Deer Valley Resort midday Thursday, the resort said.

The skier, a man who was in his late 30s, was on the Little Bell run close to the intersection with the Solid Muldoon run when the accident occurred, according to a resort spokesperson.

Emily Summers, the spokesperson, said ski patrollers rushed to the scene and determined the man died immediately. The man was skiing alone and other skiers saw the accident, she said.

The victim's name was not immediately released. Summers said the man worked at Deer Valley as a seasonal employee between 1994 and 2001.

The Silver Lake Express chairlift as well as the Little Bell and Solid Muldoon ski runs were closed between 12:30 p.m. and approximately 2:30 p.m. for the emergency response. The Park City Police Department and the Summit County Sheriff's Office were called to the scene, she said.

Updated 4/5/2013 at 9:18am: The name of the skier is James Kimball, age 38. It was determined an immediate fatality due to severe head trauma.