Jalan Lembah Bujang (or Jalan Merbok—Merbok Temple; Kedah state route K631) is a major road to Lembah Bujang Archeology Museum in Selangor, Malaysia. The 1.8-km section of this road connects Bedong, Kuala Muda, to Bujang Valley Archeology Museum.

List of junctions

Km	Exit	Junctions	To	Remarks
		Candi Bukit Batu Pahat	Candi Bukit Batu Pahat	Historicalside Start/End of K631Jalan Lembah Bujang
Bujang Valley Archeology Museum
		Kem PLKN	Kem PLKN	school
		Merbok	Jalan Pantai Barat Kedah West Singkir K161Tanjung Dawai Yan FT 78Kuala Kedah East Merbok Semeling Bedong FT 1Sungai Petani FT 1Gurun North–South Expressway Northern Route AH2North–South Expressway Northern Route North–South Expressway Northern Route AH2Kuala Lumpur North–South Expressway Northern Route AH2Ipoh Penang BridgeGeorge Town North–South Expressway Northern Route AH2 Alor Setar North–South Expressway Northern Route AH2 Bukit Kayu Hitam AH2Phetkasem Road Hat Yai Krabi Phuket Bangkok	T-junction Start/End ofK631Jalan Lembah Bujang