Costa Rica–Nicaragua San Juan River border dispute President Laura Chinchilla was criticized by former President Óscar Arias for her naïve handling of the situation. On November 18, 2010, Costa Rica filed proceedings against Nicaragua in the International Court of Justice. The complaint alleges an incursion into, occupation of and use by Nicaragua's Army of Costa Rican territory, breaches of Nicaragua's treaty obligations toward Costa Rica, and “ongoing and planned dredging and the construction of the canal (that) will seriously affect the flow of water to the Colorado River of Costa Rica, and will cause further damage to Costa Rican territory, including the wetlands and national wildlife protected
Costa Rica–Nicaragua border Costa Rica–Nicaragua border The Costa Rica–Nicaragua border is the line of 309 km long, east-west direction, separating the north of Costa Rica's territory of Nicaragua, extending between the Caribbean Sea (E) and the Pacific Ocean (W) coasts. It passes almost directly on Lake Nicaragua and the River San Juan. The border separates, from east to west: These two nations have integrated the United Provinces of Central America from 1826 until 1838, when this Federation was broken. From there, the two nations gained independence, coming into existence this border. In 2010 the Costa Rican Deputy Foreign Minister Carlos Roverssi, complained that