3701 Caldea Caldea is a spa resort in Escaldes-Engordany, Andorra. Finished in 1994, it has 18 floors. At 6,000m² it is Europe's largest spa, and at 80 metres in height, it is Andorra's tallest building. Categories Point of interest Typology Experiences Open location on GPS Search more on google What can you do around? Corona llacs Església de Sant Miquel d'Engolasters Church of Santa Coloma d'Andorra Volkswagen T1 Mountain hut Madriu-Perafita-Claror Valley Mirador del Roc del Quer Os de Civís Naturlàndia Jardins de Juberri Tor, Pallars Porta interestelar (Stargate) Mirador d'aransa