 यत्तन्मधुवनं नाम सुग्रीवस्याभिरक्षितम्।अधृष्यं सर्वभूतानां सर्वभूतमनोहरम्।। 
 The Madhuvanam of Sugriva was wellprotected  and was difficult to access for the vanaras. It was enchating to all beings. 