12 Forests.
They are:
1) Atalvan 2) Kevaarivan 3) Biharvan 4) Gochaaranvan
5) Kaaliyadamanvan 6) Gopalvan 7) Nikunjavan 8) Nidhuvan
9) Radhavan 10) Jhulanavan 11) Gahvaravan 12) Pappadvan
12 Forests.
They are:
1) Atalvan 2) Kevaarivan 3) Biharvan 4) Gochaaranvan
5) Kaaliyadamanvan 6) Gopalvan 7) Nikunjavan 8) Nidhuvan
9) Radhavan 10) Jhulanavan 11) Gahvaravan 12) Pappadvan
Yes it is equivalent to the Ganges and that holy place is very much suited to perform Tapas.