函谷关 Traditional 函谷關 Hán gǔ Guān 🔊 Hangu Pass in modern day Henan Province… + Review this word Meanings Hán gǔ Guān name 函谷關 Hangu Pass in modern day Henan Province, strategic pass forming the eastern gate of the Qin State during the Warring States Period (770-221 BC) Its characters 函hánenvelope谷gǔgrain关guānmountain passHSK 3