topographic

/ˌtɑpəˈɡræfɪk/
adjective
  1. Relating to the surface features of a place, such as hills, valleys, and rivers.
    • Topographic surveys help engineers decide where to build roads and bridges.
    • The hikers studied a topographic map to find the easiest trail up the mountain.
    • The artist created a topographic drawing of the desert showing all its dunes.