The Washoe County Sheriff's Office has identified the victims in two deadly accidents that happened over the weekend.
Deputies say 15-year-old Dylan Ridolfi of Eldorado Hills was killed while sledding in the sheeps flat area off of Mount Rose Highway Sunday afternoon.
The teen and his sled hit a tree, and he died at the scene.
And - deputies say 46-year-old Darrell Phillips of Sun Valley was killed in a dirt bike accident south of Pyramid Lake.
Deputies say the man -- who was in his 40s -- was riding his dirt bike in the "Moon Rocks" area near Hungry Valley.
The man died at the scene.
Deputies are still investigating how the accident happened.