Grayson County topographic maps

Average elevation: 738 ft

Average elevation: 633 ft

Average elevation: 722 ft

Average elevation: 682 ft

Average elevation: 725 ft

Average elevation: 686 ft

Average elevation: 741 ft

Average elevation: 666 ft

Howe's elevation of 860 feet (260 m) is the highest point along US 75 between the Red River and the Gulf of Mexico.

Average elevation: 814 ft

Average elevation: 755 ft

Average elevation: 725 ft

Average elevation: 778 ft