RIVER BASIN · GRON
Europe · shared by 3 countries
Garonne basin (blue) over its riparian countries · real geometry, TFDD & Natural Earth
| 1866 | Treaty of delimitation between France and Spain, signed at Bayonne |
| 1866 | Treaty on boundaries between Spain and France from the valley of Andorra to the Mediterranean Border and Territorial Issues, Water Quantity |
| 1958 | Agreement between the government of the French Republic and the Spanish government relating to Lake Lanoux Water Quantity |
| 1963 | Convention between the government of the Republic of France and the government of Spain about the layout of the water flow of the Garonne, signed at Paris on Ju Territorial and Border Issues, Hydropower |
| 1970 | Exchange of letters constituting an agreement between France and Spain amending the arrangement of 12 July 1958 relating to Lake Lanoux Water Quantity |
Source: TFDD International Freshwater Treaties Database · open in the explorer →