Monarch Sanctuary Butterfly Reserve Boundaries
(Click on map to enlarge.)

Original Sanctuary Boundaries
(Established by Presidential Decree in 1986)
The original sancturies are shown in yellow. The yellow rectangles show the core zone, and each rectangular core is encircled by yellow buffer zone.

New Sanctuary Boundaries
(Established by Presidential Decree in 2000)
The new sanctuary area is shown in white and red (core zone) and blue (buffer zone).

Size of the Monarch Butterfly Sanctuaries
(measured in hectares)
 

Original
(est. 1986)

New
(est. 2000)

Increase

Core 4,491 13,552 9,061
Buffer 11,619 42,707 31,088
Total 16,110 56,259 40,149

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