SB 10.15.47

evaṁ sa bhagavān kṛṣṇo
 vṛndāvana-caraḥ kvacit
yayau rāmam ṛte rājan
 kālindīṁ sakhibhir vṛtaḥ
Word for word: 
evam — thus; saḥ — He; bhagavān — the Supreme Personality of Godhead; kṛṣṇaḥ — Kṛṣṇa; vṛndāvana-caraḥ — wandering, and acting, in Vṛndāvana; kvacit — once; yayau — went; rāmam ṛte — without Lord Balarāma; rājan — O King Parīkṣit; kālindīm — to the river Yamunā; sakhibhiḥ — by His friends; vṛtaḥ — surrounded.
Translation: 
O King, the Supreme Lord Kṛṣṇa thus wandered about the Vṛndāvana area, performing His pastimes. Once, surrounded by His boyfriends, He went without Balarāma to the Yamunā River.