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Motorcycle Ride Planner · Chile

G-21 — San José de Maipo to Santiago

Chile · measured from OpenStreetMap geometry

665Corners
12Miles
55.4Per mile

G-21 runs 12 miles between San José de Maipo and Santiago. We counted 665 corners along it, which works out at 55.4 a mile — corner after corner with no let-up. It runs past mountain peaks, a river, a nature reserve and cliffs. That is busier than two thirds of the roads we have measured in Chile, where the median is 45.5 a mile.

Ridden together with G-345 and G-25 it makes about 34 more miles of the same kind of road.

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How we measured it

Corner counts come from the road's own geometry in OpenStreetMap, not from ratings or votes. Every bend above a threshold of curvature is counted once, so two roads can be compared directly. Nothing here is crowdsourced and nobody paid to appear.