Matsyapurana 114.38

114.38

yatra govardhano nāma mandaro gandhamādanaḥ
rāmapriyārthaṃ svargīyā vṛkṣā divyāstathauṣadhīḥ //

Now the following are between the Sahya mountain and the Godâvarî, most charming lands in the whole world, where there are (the mountains) Gobardhana, Mandara and Gandhamâdana as well as the celestial trees and herbs, for Râma's benefit.—37-38.