Name: Dewey Marsh topographic map, elevation, terrain.
Location: Dewey Marsh, A30, Blisland, Bolventor, Cornwall, South West England, England, PL15 7TX, United Kingdom (50.51558 -4.60550 50.52529 -4.59894)
Average elevation: 794 ft
Minimum elevation: 646 ft
Maximum elevation: 945 ft