 | |
|---|---|
| Ruta nacional secundaria 138 | |
| Route information | |
| Maintained by Ministry of Public Works and Transport | |
| Length | 42.985 km (26.710 mi) |
| Major junctions | |
| West end |  Route 4 |
 Route 139 | |
| East end |  Route 35 |
| Location | |
| Country | Costa Rica |
| Highway system | |
National Secondary Route 138, is a road between Route 4 and Route 35, contained in the north plains of the Alajuela province of Costa Rica. [1]
Starting west on Route 4, the road follows a slightly northeast direction towards Route 35. It is the main access route to the Caño Negro Wildlife Refuge. Most of the road is made of gravel, except for an asphalt segment on the west of the road.
The entire route is in Alajuela province.
| Canton | District | km | mi | Destinations | Notes |
|---|---|---|---|---|---|
| Upala | Upala | Route 4 | |||
| Yolillal | No major junctions | ||||
| Los Chiles | Los Chiles | Route 35 | |||
| Caño Negro | Route 139 | ||||
In May 2020 the segment between Caño Negro Wildlife Refuge and Route 35, was asphalted for a total of 18.2 km (11.3 mi). [2]
Alajuela is a province of Costa Rica. It is located in the north-central part of the country, bordering Nicaragua to the north. It also borders the provinces of Heredia to the east, San José to the south, Puntarenas to the southwest and Guanacaste to the west. As of 2011, the province had a population of 885,571. Alajuela is composed of 16 cantons, which are divided into 111 districts. It covers an area of 9,757.53 square kilometers.
Caño Negro Wildlife Refuge is a Wildlife refuge, part of the Arenal Huetar Norte Conservation Area, in the northern part of Costa Rica twenty kilometers south of Los Chiles near the border with Nicaragua in the Alajuela province. The refuge is a wetlands site that is home to many migratory waterfowl during part of the year, centered on Lake Caño Negro which is fed by the Frío River during the rainy season.
Puerto Viejo is a district of the Sarapiquí canton, in the Heredia province of Costa Rica.
Los Chiles is a canton in the Alajuela province of Costa Rica.
San Rafael is a district of the Guatuso canton, in the Alajuela province of Costa Rica.
Los Chiles is a district of the Los Chiles canton, in the Alajuela province of Costa Rica.
Upala is a district of the Upala canton, in the Alajuela province of Costa Rica.
Aguas Zarcas is a district of the San Carlos canton, in the Alajuela province of Costa Rica.
Río Cuarto is a canton in the Alajuela province of Costa Rica. The head city is in Río Cuarto district.
Caño Negro is a district of the Los Chiles canton, in the Alajuela province of Costa Rica.
National Primary Route 4, or Route 4, is a national primary road, which covers the northern region of the country, through the provinces of Limón, Heredia, Alajuela and Guanacaste.
National Secondary Route 126, or just Route 126 is a National Road Route of Costa Rica, located in the Alajuela, Heredia provinces. It connects Route 3 and Route 4.
National Primary Route 35, or just Route 35 is a National Road Route of Costa Rica, located in the Alajuela province, and it is a road that serves the central north area of Costa Rica.
National Secondary Route 160, or just Route 160 is a National Road Route of Costa Rica, located in the Guanacaste, Puntarenas provinces. The road is between Naranjo ferry terminal and Route 21 in Nicoya peninsula, and again with Route 21 at Santa Cruz, Guanacaste.
National Primary Route 27, or just Route 27 is a National Road Route of Costa Rica, is a route which connects the Greater Metropolitan Area to Caldera Port and the Pacific coast of the country.
National Primary Route 1, formally known as Carretera Interamericana Norte, is the northern segment of the Pan-American Highway that traverses Costa Rica.
National Primary Route 34, official name Carretera Pacífica Fernández Oreamuno, and popularly known as Carretera Costanera Sur, or just Route 34, is a National Road Route and scenic route of Costa Rica, located in the Alajuela, Puntarenas provinces that connects Route 27 and Route 2 mostly along the central and south Pacific coast of the country, and is the recommended route over the Pan-American Highway when traveling between the south of the country to the Greater Metropolitan Area.
National Secondary Route 139, or just Route 139 is a National Road Route of Costa Rica, located in the Alajuela province.
National Tertiary Route 746, or just Route 746 is a National Road Route of Costa Rica, located in the Alajuela province.
National Tertiary Route 700, or just Route 700 is a National Road Route of Costa Rica, located in the Alajuela province.
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