Photo by Termas de Monfortinho, via Wikimedia Commons (CC BY-SA 4.0)
🇵🇹 Portugal · Beira Baixa (Castelo Branco District)
Photo by Termas de Monfortinho, via Wikimedia Commons (CC BY-SA 4.0)
🇵🇹 Portugal · Beira Baixa (Castelo Branco District)
♨ Temperature
30.5°C
⛰ Altitude
—
⚗ pH
5.5
💧 TDS
—
🌊 Flow rate
—
📅 Established
Fonte Santa spring of ancient (reportedly Roman-linked) origin; modern company founded 1907
✓ Verified on 2026-07-30
Termas de Monfortinho sits near the Rio Erges on the Spanish border in Idanha-a-Nova municipality, at the edge of the Penha Garcia mountain range. Its water, from the Fonte Santa spring, is hypomineralized, bicarbonated, sodium-calcium-magnesium water noted for having one of the highest silica contents among Portuguese thermal waters, emerging at about 30.5°C with a pH of 5.5. A company with 32 partners formalized the modern bathhouse operation in 1907; the main bathhouse and Hotel da Fonte Santa were built in 1940, followed by the Hotel Astória in 1948, and the therapeutic properties were officially recognized in 1989.
The Fonte Santa spring is described as one of the oldest thermal sources in the country. A company with 32 partners formalized the modern bathing operation in 1907, with the main bathhouse and Hotel da Fonte Santa built in 1940 and Hotel Astória added in 1948. Therapeutic properties were officially recognized in 1989, and an international bridge to Spain was completed in 1993.
Phone+351 277 430 320
Websitewww.termasdemonfortinho.com/
AddressTermas de Monfortinho, 6060-072 Monfortinho, Idanha-a-Nova, Portugal