Mount Ruahiti is a peak and is located in Mo'orea, French Polynesia and is 510 meters above sea level, or 76 meters above the surrounding terrain. It is about ~0.5 km wide at its base. On it's northern side is Mt Mou'aroa, on its western side is Haapiti Valley and Tuarai ridge, the southern side is Oio Valley, and on the eastern side, Vaianae Valley with Mt Matouraura in between the latter two valleys.