The Bua Tong bloom — The Mae Hong Son Loop Tithonia diversifolia — Mexican sunflower, บัวตอง — flowers across Doi Mae U-Kho in November. It is the one thing on this circuit with a hard date. nanobotco.github.io/mae-hong-son-loop/event/bua-tong-bloom/ · 18-Sep-2026 · 50K
The cool season — The Mae Hong Son Loop Dry, clear, cold at altitude before dawn, and the busiest and most expensive months on the circuit. nanobotco.github.io/mae-hong-son-loop/event/cool-season/ · 18-Sep-2026 · 50K
Riding in the smoke — The Mae Hong Son Loop In March and April the measured PM2.5 on this circuit sits above the US 24-hour standard on most days. On a bike you are breathing hard, at volume, for six hours. nanobotco.github.io/mae-hong-son-loop/hazard/smoke-riding/ · 18-Sep-2026 · 48K