On May 23, 2007, the church's First Presidency sent out a letter. It named new temples planned for locations where the church had grown enough to justify the investment. Manaus was on that list. For the thousands of Latter-day Saints scattered across the Amazon region, the announcement meant something concrete: they would no longer need to fly to Sao Paulo or Recife for the ordinances their faith considers essential. The nearest temple would be theirs. Groundbreaking came on June 20, 2008, with Charles A. Didier of the church's Brazil Area leading the ceremony. Construction then worked through four wet seasons and four dry ones, at the edge of a forest where humidity alone can undo buildings not engineered for it.

The architects came from different hemispheres. GSBS Architects, based in Salt Lake City, handled the primary design - the temple belongs to a family of buildings with standardized proportions and layouts across the world. JCL Arquitetos Associados, based in Olinda, Brazil, brought local knowledge: what stone weathers well in tropical heat, which contractors understand humid-climate construction, how to manage a job site where daily rain is a fact rather than a setback. The result is a single-spire temple on 7.7 acres, with two ordinance rooms, two sealing rooms, and a baptistry inside. The exterior Branco Paris granite is quarried in Brazil - a detail that matters to members who wanted their temple to come from their country's own earth, not imported stone.

In June 2011, a worker was electrocuted near the patron housing facility adjacent to the temple. Construction paused while the accident was investigated. The man - whose name is not recorded in the public church accounts - died in the service of a building he might never have entered as a worshipper, which is the quiet truth of many sacred places. Construction resumed. On October 5, 2011, the angel Moroni statue was lifted to the top of the spire and set in place, drawing a crowd of local members who came to watch the moment. The statue is a Mormon signature, and seeing it installed meant the building was nearly ready. It marked a turning point from construction site to place of worship.

Before any temple is dedicated for members-only use, the church holds a public open house so neighbors can see inside. The Manaus temple's open house ran from May 18 to June 2, 2012. Approximately 42,000 people came through - members of other faiths, curious residents, city officials, family members of Latter-day Saints who would not enter again after the dedication. The open house is an act of transparency about a faith often misunderstood. For two weeks, the rooms where ordinances would happen were visible to anyone willing to take the tour. Then, on June 10, 2012, Dieter F. Uchtdorf dedicated the temple across three sessions. Quentin L. Cook and William R. Walker attended. It became the 138th operating temple worldwide and the sixth in Brazil, a country the church has prioritized for growth for decades.

Ponta Negra is a district on Manaus's western edge, where the Rio Negro bends and river beaches form during the dry season. The neighborhood has resorts, condominiums, and - now - a white granite temple. Members come from across Amazonas state, sometimes traveling days by boat to make a temple visit. For them, the building is not an architectural curiosity but the end point of a journey that might begin in a village upriver. For everyone else, it is a landmark on the Manaus skyline: the single spire, the gilded figure at its top, visible from the bluff roads and from boats on the water. A structure that did not exist here before 2012, drawn out of Brazilian stone and set above a river that has run for millions of years.