loop4d

Route planning with time as the 4th dimension.

Upload a running or cycling route, pick a date, and see when to go for maximum shade (or maximum sun in winter) — computed from swisstopo's 0.5 m LIDAR surface model, including buildings, trees, and mountain horizons.

Highlights

• Shade-and-sun timing for any GPX route
• Powered by swisstopo 0.5 m LIDAR: buildings, trees, terrain
• Pick a date and see the best window to head out
• Made for runners and cyclists