It used to be located in the Sitio of Pinagbayanan situated in the western side of the Piris River which is about one a half kilometers away from the present town site.

This place became the choice of the founders, who were a mixture of Bicolanos and Visayans to enable them to easily escape the Moro raids that were prevalent during the olden times.

[citation needed] In October 1936, some civic minded residents launched the proposition of making the place a municipality.

The outbreak of the second global war marked the failure of the offices concerned to convert the place into a regular municipality.

201 by President Elpidio Quirino, the corporate existence of Piris in the name Buenavista, the 37th municipality of Quezon province, was fixed on August 26, 1950.

[5] An inauguration was celebrated by the town people under the leadership of Domingo Reyes and Yao Ching Kio, wealthy businessman of the place, with Congressman Vera as the guest of honor.

Buenavista is primarily upland municipality characterized by ragged terrain, generally hilly or mountainous with high plains, valleys and swamps.

There religious organizations in the town such as: Roman Catholic, Iglesia Ni Cristo, Church of God, Seventh-Day Adventist, Born Again, Baptist, Islam, and Jehovah's Witnesses.