Ratupura (Radha Kund & Syam Kund)

Arriving at Rtudvipa and seeing the splendid forest, the son of Saci remembered Radha-kunda and began to weep.
(Sri Navadvipa-Dhama-Mahatmya, Pramana-Khanda, Chapter 4)

Enchanting Rtudvipa is filled with attractive forests. The seasons headed by spring perform eternal service to the Lord here. This Rtudvipa is the abode of transcendental bliss, for it is part of the area of Radha-kunda in Vraja. While singing the glories of Krsna and remembering Kṛṣṇa’s pastimes as a cowherd, sometimes Gauranga would loudly call again and again the names of the cows, “Syamali! Dhubali!” He would then cry as He called out for Subala and Śrīdāma. When will I wander in Rtudvipa, seeing the beauty of the forest and remembering the Lord’s pastimes? Then I will become stunned as the pastimes at Radha-kunda manifest before my eyes. Here, on the bank of Manasa-ganga, Kṛṣṇa and Balarama with Dāma, Bala, and Mahabala, go to solitary forests with countless cows and calves. While playing various games, all the boys sing the glories of Krsna. As the cowherd boys engage in various discussions, the calves go off grazing in distant forests. Losing sight of the calves, all the boys become anxious, but the calves immediately come running at the sound of Krsna’s flute. As I see this pastime, it suddenly vanishes, and I will fall to the ground unconscious. Then, regaining my senses, I will rise up and wander slowly through the forests.
(Sri Navadvipa Bhava-taranga)