It has been designated as a national park since 2002.
It was officially designated as a national natural park in 2005.
The region was designated as a national park in 1964.
It was subsequently designated as a provincial park in 1999.
It was designated as a provincial park on January 16, 1980, and has a protected area of 0.7km2.
It was designated as a national park under a presidential decree, in 1937.
It was designated as a national park on 31 July 1987.
Most of the area has been designated as a national park.
The area was officially designated as a regional natural park in 1976.
It was designated as a national park in 1954.