July 2026

The Sanctuary of Truth, known locally as Prasat Sajatham or Prasat Sut Ja-Tum, stands on the coastal headland of Laem Ratchawet in Na Kluea, North Pattaya, Thailand. Initiated in 1981 under the patronage of the Thai industrialist and cultural preservationist Lek Viriyaphan alongside his wife Praphai Viriyaphan, the monument is a monumental timber edifice reaching a central height of 105 meters and encompassing an internal area of 2,115 square meters set within a 12.8-hectare complex. While its multi-tiered rooflines and central spire evoke the silhouette of historical Southeast Asian sacral architecture, the structure does not operate as a conventional Thai Buddhist temple (wat). It possesses no active monastic residents, no consecrated ordination hall (ubosot), and no singular devotional image for institutional worship. Instead, the building serves a dual function as a working architectural museum, a monumental wooden sculpture, and a physical exposition of comparative Eastern philosophy.

Hydrological and Sacred Topography of the River Gorge

The Ayung River, designated in the Balinese language as Tukad Ayung, represents the longest and most hydrologically significant fluvial artery on the island of Bali, Indonesia. Originating in the northern volcanic highlands near Kintamani, the river flows approximately 68.5 to 71.8 kilometres southward, traversing the regencies of Buleleng, Bangli, Badung, and Gianyar before discharging into the Badung Strait at Padanggalak Beach in Sanur. As the river descends through the elevated topography of the island’s interior, it carves deep, narrow gorges flanked by vertical basalt cliffs and dense riparian rainforests.