The Rengg Pass (locally known as Ränggpass) is a walking trail mountain pass in Switzerland, between Hergiswil in the canton of Nidwalden and Alpnach in the canton of Obwalden. It crosses the ridge running eastwards from the Pilatus towards . It was the site of the Stecklikrieg battle on 28 August 1802, where insurgent Nidwaldeners defeated Swiss central government troops.