Downtown Gatlinburg Roller Coaster There’s a brand new roller coaster in Gatlinburg! Rowdy Bear Mountain Coaster is now open in downtown on the Parkway between the Marathon Station and Zoder’s. (Between lights #2 & #3) This gravity-propelled coaster is open day every day at 9 a.m. and closes at 11 p.m. nightly, 10 p.m. Sunday.