From this point, the boundary continues along a line parallel to the Tortuguero River, equidistant from it by one hundred meters, following its course upstream, until reaching the confluence with the Agua Fría River. From this point, the boundary continues upstream on the Agua Fría River to a point located at coordinates 266,550 N and 583,000 E. It continues along coordinate 583,000 E heading South until encountering the Sierpe River, along which the boundary continues downstream to the point where the Sierpe Viejo River empties. The boundary then continues upstream along the Sierpe Viejo River until reaching coordinate 598,000 E, along which it continues heading South to the Caño California.
The boundary then continues downstream along the Caño California to its confluence first with the Parismina estuary and then with the Caño Negro.
The boundary continues along the Caño Negro northward to a point 300 meters from the northern shore of the Laguna Jalova. Finally, the Park boundary follows a line parallel to the northern shore of the Laguna Jalova, always 300 meters distant, until reaching the sea.
On the Northeast side, from the last point (located 300 meters North of the Laguna Jalova) to the initial point (coordinate 280,000 N, immediately South of the town of Tortuguero), the Park boundary shall be the Caribbean Sea, including within it the portion of the sea corresponding to the territorial waters of Costa Rica.
(SINALEVI NOTES:
(1. By Article 2 of Decreto Ejecutivo N° 11148 of February 5, 1980, "the Tortuguero National Park, created by Law Number 5680 of November 3, 1975, is extended to include the Laguna Jalova, the area between it and the current park boundary, and the area between the Laguna Jalova and a parallel line 100 m distant from its southern shore. All these portions of land are bounded in turn on the West by the Tortuguero Canals and on the East by the Caribbean Sea, with the portion of the sea corresponding to the territorial waters of Costa Rica being included within the Park.") (2. By Article 1 of Decreto Ejecutivo N° 27223 of July 22, 1998, the Tortuguero National Park is extended to include the area "starting from a point, boundary of the Tortuguero National Park, located on the Penitencia River (unnamed on the map sheet) whose coordinates are 284950N and 580090E, then heading southeast (leaving the Tortuguero National Park boundary), in a straight line to the point at coordinates 286050N and 584340E. It then continues in straight lines with the following coordinates:
| 285440N | 584250E |
|---|---|
| 285190N | 584575E |
| 285275N | 584660E |
Finally, located on the bank of the Caño Penitencia. From here it continues along the bank of the Caño Penitencia to a point at coordinates 284130N and 586090E, where the Tortuguero National Park begins again, continues upstream along the same Palacio River to the point at coordinates 281425N and 582250E, from where it continues in a straight line with the following coordinates:
| 281850N | 582130E |
|---|---|
| 282725N | 582050E |
| 282580N | 581575E |
| 282300N | 581660E |
| 281690N | 581600E |
| 281160N | 581500E |
Point located again on the left bank of the Palacio River, from where it continues upstream until reaching coordinates 281150N and 581100E. It then heads in straight lines to the points of the following coordinates:
| 282420N | 581100E |
|---|---|
| 282250N | 580040E |
| 282575N | 580290E |
| 282750N | 579930E |
| 282500N | 579210E |
| 284000N | 579700E |
Point located on the Caño Perro Capón (which does not appear on the map sheet), continues downstream along this caño to the mouth of the Caño Perro Capón on the Penitencia River at the point that gave rise to this description at coordinates 284950N and 580090E").