Puerto Rico Highway 186
| Ruta 186 | ||||
| Route information | ||||
| Maintained by Puerto Rico DTPW | ||||
| Length | 26.9 km (16.7 mi) | |||
| Existed | 1953–present | |||
| Major junctions | ||||
| South end | PR-185 in Hato Puerco | |||
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| North end | PR-3 in Guzmán Abajo | |||
| Location | ||||
| Country | United States | |||
| Territory | Puerto Rico | |||
| Municipalities | Canóvanas, Río Grande | |||
| Highway system | ||||
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Puerto Rico Highway 186 (PR-186) is a road that travels from Canóvanas, Puerto Rico to Río Grande through the western side of El Yunque National Forest. This highway begins at PR-185 between Hato Puerco and Lomas barrios and ends at PR-3 in Guzmán Abajo.