Deputies and an Oregon State Police trooper responded to reports of a disorderly man at the Shady Rest Campground on Suttle Road.
They say 27-year-old McKinley Scott Bonfoey of Eugene was trying to fight with security and appeared under the influence of a narcotic.
LCSO says they struggled for 20 minutes to get Bonfoey under control.
They say a Taser was deployed twice with little to no effect.
One deputy suffered a hand injury that will cause him to miss work for several weeks.
The second deputy suffered minor injuries.