Where the courses come from
Every outline, fairway, green and bunker here is drawn from OpenStreetMap (© OpenStreetMap contributors, ODbL), as of October 15, 2026. Yardages are measured along the mapped centerline of each hole, so they run a little short of the card from the tips. Elevation is from USGS 3DEP via AWS Terrain Tiles; aerial imagery is USGS and USDA NAIP, public domain.
13,416 courses · 7,938 mapped hole by hole · 52 states