Shiva Purana
गोकर्णं क्षेत्रमपरं महापातकनाशनम् ॥ महावनं च तत्रास्ति पवित्रमतिविस्तरम् ॥ ४ ॥
There is another shrine Gokarṇa destructive of great sins. There is an extensive holy forest there.
english translation
gokarNaM kSetramaparaM mahApAtakanAzanam ॥ mahAvanaM ca tatrAsti pavitramativistaram ॥ 4 ॥
hk transliteration by Sanscript