Jalan Gunung Jerai, Federal Route 252 (formerly Kedah state route K159), is a federal road in Mount Jerai, Kedah, Malaysia.^[1] It is a main route to Mount Jerai. The Kilometre Zero is at Guar Chempedak.

At most sections, the Federal Route 252 was built under the JKR R5 road standard, allowing maximum speed limit of up to 90 km/h.

Km	Exit	Junctions	To	Remarks
FT 252 0		Guar Chempedak	North FT 1 Alor Setar FT 1 Kota Sarang Semut K146 Yan K128 Pendang South FT 1 Sungai Petani FT 67 Baling FT 1 Gurun North–South Expressway Northern Route AH2 North–South Expressway Northern Route Bukit Kayu Hitam Penang Ipoh Kuala Lumpur	T-junctions
		Kampung Titi Teras	West Jalan Kampung Titi Teras Kampung Titi Teras	T-junctions
		Sungai Teroi Forest Recreational Park	V
		V
		Mount Jerai Jalan Celcom Jerai 1,216 m above sea level	East Jalan Celcom Jerai Celcom Transmitter	T-junctions
		Mount Jerai Jalan Regency Jerai Hill Resort 1,217 m above sea level	West Jalan Regency Jerai Hill Resort Regency Jerai Hill Resort Masjid Gunung Jerai Gunung Jerai Botanical Park Parking Area V South/Summit FT 274 Jalan Telekom Gunung Jerai Kompleks Telaga Tok Sheikh Agaricles Biotech Farm Telecom Transmtter	T-junctions