Who “owns” Dinosaur Ridge?
Land ownership within the Rooney Valley (the land around C-470 between Green Mountain and Bandimere Speedway) is somewhat complicated. The short answer to this question is – Jefferson County. The long answer is – The section of the “Dakota Hogback” known as Dinosaur Ridge is owned by Jefferson County Open Space. East of the intersection with N. Rooney Rd, West Alameda Parkway (the road that traverses Dinosaur Ridge) is owned and maintained by the City of Lakewood. West of the N.