Gai-i (previously known as Mount Wheeler) is a small mountain situated between Rockhampton and Yeppoon in the state of Queensland, Australia. It is one of several igneous volcanic plug formations that feature on the landscape near the Capricorn Coast.

Physical features

thumb|right|alt=Small, pointed mountain on the horizon, foregrounded by scattered bare trees, silhouetted against the sky at sunset|Gai-i at sunset

Gai-i is a steep-sided volcanic plug, similar to other surrounding mountains like Mount Baga and Pine Mountain.