Hope under Dinmore is a village and parish in Herefordshire, England. The village is located on the A49 road, 4 miles (6 km) south of Leominster and 9 miles (14 km) north of Hereford, and on the Welsh Marches railway line. The railway passes under Dinmore Hill through the split-level 1,051-yard (961 m) long Dinmore Tunnel. The parish had a population in mid-2010 of 343.