The front desk is staffed during limited hours. Free self parking is available onsite.. With a stay at Thalia Rooms Guest House in Kalambaka (Kastraki), you'll be convenient to Monastery of Agia Triada. This guesthouse is within the vicinity of Theopetra Cave.. Make yourself at home in one of the 3 air-conditioned rooms featuring kitchens with refrigerators and stovetops. Complimentary wireless Internet access keeps you connected, and 59-cm LCD televisions are provided for your entertainment. Conveniences include safes and coffee/tea makers, and housekeeping is provided once per stay.