1. Tour - full day

Whole-day walk on the southern peninsula.

1 - Start at hotel. Observation of the oldest volcanic centers, with transition from submarine to subaerial eruptive activity.

2 - Walk along the beach. Observation of a typical strombolian spatter cone cross-section (vent, lava-lake and scoria cone), overlain by deposits of the first explosive cycle (pumice  fall-out, ignimbrites, surge and brecchia layers).

Along the way several swim breaks at beautiful spots.

3 - Ascend about 60 m above the beach and short walk (about 1 km !) along quiet road along the caldera rim.

Lunch at a small fish tavern.

4 - Descend along goat paths to a remote beach on the south coast. Impressive drainage beds cutting into spatter layers of the second cycle and thick flow deposits of the first cycle. Swim break.

5 - On the afternoon return to the village of Akrotiri passing the old updomed area of the peninsula on goat paths and narrow dirt roads.

6 - Possibility to stop at the Red Beach (swimming and/ or dinner at fish tavern).

7 - Short walk from the Red Beach to hotel (15 min).

2. Tour - 3-5 hrs

1 - Transfer by minibus to the medieval village of Pyrgos. Visit of the Venetian castle.

2- Walk (1 hr) along a footpath through vineyards to the traditional village Megalochori.

3- Descend (ca. 180m) into a remote bay at the inner side of the caldera. Observation of the typical pyroclastic sequence of Thera.

Lunch and swim break, rich greek traditional picnic with local speciaties and wine. Opportunity to collect ore minerals within the pre-volcanic basement shists. Hot spring.

4 - Transfer or walk to main town Fira with opportunety to do shopping, exchange money etc.

Return to Megalochori and back to Akrotiri by minibus or local bus.

3. Tour - Full day

1- Whole-day boat trip on an own boat inside the caldera (departure and arrival below hotel).

Detailed visit to the historic volcanic islands of Palea and Nea Kameni (craters, lava flows and domes, fumaroles, hot iron-bearing springs, sulfur crystals).

Swim breaks at warm springs near Nea Kameni and at the iron-bay of Palea Kameni. Picnic on Palea Kameni.

2 h- roundtrip along the steep caldera cliffs of Therasia (break for coffee or swim) and Thera (complete stratigraphic view of the interior of the Santorini volcano, lava shields, stratovolcanoes, faults dykes, generations of subsequent calderas, explosive deposits).

4. Tour - 3-4 hrs

1 - Transfer by minibus to the quarry of Fira. Deposits and mechanisms of the Minoan eruption. Prehistoric founds. Minor pyroclastic sequences from the Middle Pumice series.

2 - Walk along the breathtaking rim of the caldera, passing through Fira until reaching the middle-age town of Imerovigli with its rests of a Venecian castle on the impressive Skaros promontory (remnants of the Skaros lava shield).

3 - Stop for dinner/lunch/coffe at some bar in Imerovigli. Return to hotel by bus.