Service road to horse barn, drainage ditch on right side, Two-Mile branch horse concession, Gatlinburg, TennesseeGreat Smoky Mountains National ParkWork Order No. R-18 GRSM. Completion report photo. Service road to horse barn Note drainage ditch on right side, which crosses road by a CMP culvert at edge of foreground.Two-Mile Branch Horse Concession; Roads, parking area, and trails, II-HC-2Mi-7230, Physical Facilities - Horse Concession Facilities - Two Mile Branch Stables