Tsuru Pass (鶴峠, Tsuru-tōge) is a mountain pass in Kosuge, Yamanashi, Kitatsuru District, Yamanashi Prefecture, at an altitude of 870m.

Yamanashi Prefectural Road 18 runs through the pass.

The pass is a watershed dividing Tokyo Bay and Sagami Bay and is also the source of Tokyo's water supply.

[3] The old road, passes through the pass, connects Tabayama and Kosuge, Yamanashi with Uenohara, wasn't open to vehicular traffic.

Nagasaku Kannon Hall, was built in the Heian period, is in the pass and is an Important Cultural Property (Japan).