North: Boundary commences from the point were the interstate boundary between Kerala and Tamil Nadu meets the southern boundary of survey No. 32 Pooppara Village of the resurvey minor circuit and runs west parallel to Bodimettu – Pooppara road, along the southern boundary of survey No. 17, 16, 13, 14, 8 ,22 and hence turning south along the eastern boundary of block 13 and survey numbers 34, 35, 36, 37 and hence along the western boundary of survey No38 to reach a point where the northern most extremely of survey No. 38 meets the Resurvey Minor Circuit.
West: Thence the boundary turns south and follows the Resurvey Minor Circuit along the Eastern boundary of block No. 13 till it meets the Northern boundary of survey No. 65 and turn south along the Eastern boundary of survey No. 65 till it meets the boundary of survey No. 64 on the line democratizing the area handed over after eviction.
South: Thence the boundary turns east along the Northern boundary of survey No. 64, 63 and turns south along the Eastern boundary of survey No. 78, 71, 72, 73, 74, 174, 192, 193, 195, 197 and turn south along the eastern boundary of survey no. 198, 199 and again turns north East along the Northern boundary of survey No. 205, 207, 208, 209, 210, 211, 212 to meet the interstate boundary.
East: Thence the boundary runs north along the interstate boundary till it reaches the starting point.
The external boundaries are already surveyed and 70% of boundary is marked with permanent cairns.
Internal boundaries are vague and needs to the verified on the field.
The Eastern boundary of the National Park is contiguous with the forests of Theni Forest Division, Tamil Nadu. The north, west and south are bounded by cardamom plantations of CHR. The elephants from the MSNP reach Anayirangal via the following three routes:
- Through Thalakkulam, Thondimala, Sundal and Panthadikkulam
- Through Thalakkulam and Mulatharakud
- Through Kallapuzha, Shankarapandimettu, Puthappara, Mulathara and Kozhippennakudy
The elephants also move towards south upto Chakkulathimedu and down into the Tamilnadu plains around Tevaram.