WASHINGTON COUNTY, Ark. (KTHV) -- Rescue crews are still searching for a hiker missing from Devil's Den State Park since Sunday.

The popular state park is located in northwest Arkansas near West Fork.

CBS affiliate 5NEWS reports that 33-year-old Rodney Letterman of Bartlesville, Oklahoma, was last seen around noon on Sunday when he got separated from his hiking partner.

The parks department says he did not have a lot of hiking experience.

Letterman is described as 6 feet tall and 240 pounds.

Crews will continue to search for him on Wednesday.

Stay with THV11 and thv11.com for more details as they become available.