CASLEO observatory | The CASLEO observatory in El Leoncito National Park. | San Juan and La Rioja (
Argentina
)
Filename: AR0519CL001_el-leoncito-casleo-observatory.jpg (CASLEO observatory)
![AR0519CL001_el-leoncito-casleo-observatory.jpg [© Last Frontiers Ltd]](/imagestore/argentina/AR0519CL001_el-leoncito-casleo-observatory.jpg "The CASLEO observatory in El Leoncito National Park.")