Hairpin — The Mae Hong Son Loop A bend tight enough that you turn about 180 degrees to carry on. Called a switchback in American English. nanobotco.github.io/mae-hong-son-loop/term/hairpin/ · 18-Sep-2026 · 49K
PM2.5 — The Mae Hong Son Loop Particles under 2.5 micrometres across — small enough to go past the nose and into the lungs. nanobotco.github.io/mae-hong-son-loop/term/pm25/ · 18-Sep-2026 · 47K
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
Burning season — The Mae Hong Son Loop Roughly late February to late April, agricultural and forest burning fills the valleys of upper northern Thailand and adjacent Myanmar with smoke. It ends with the first rains. nanobotco.github.io/mae-hong-son-loop/event/burning-season/ · 18-Sep-2026 · 49K
The bike has nowhere to put it — The Mae Hong Son Loop What each class of bike will actually swallow, and what it means for four days of luggage. nanobotco.github.io/mae-hong-son-loop/kit/no-storage/ · 18-Sep-2026 · 48K
Hazards — The Mae Hong Son Loop Gravel on the apex, diesel at the junction, dogs, buses on your line, smoke, and the drop with nothing beside it. nanobotco.github.io/mae-hong-son-loop/hazards/ · 19-Sep-2026 · 46K
Coffee — The Mae Hong Son Loop Arabica grown on the ridge you just rode over, pulled by the family that picked it. And the 7-Eleven, which is also a coffee stop. nanobotco.github.io/mae-hong-son-loop/coffee/ · 19-Sep-2026 · 138K