Mainalo

Below the data of the National Observatory of Athens station in the doline of Kehroti in Mainalo.

Mainalo's ground is primarily made of lime, among various calcareous substrates.

Mainalo has various named peaks. Listed by height, they are, among others;

• Ostrakina (Greek: Οστρακίνα) or Profitis Ilias (Greek: Προφήτης Ηλιας) at 1,981 metres (6,499 ft)
• Pateritsa (Greek: Πατερίτσα) at 1,875 metres (6,152 ft)
• Aidini (Greek: Αϊδίνη) at 1,849 metres (6,066 ft)
• Mavri Koryfi (Greek: Μαύρη Κορυφή) at 1,818 metres (5,965 ft)
• Mourtzia (Greek: Μουρτζιά) at 1,794 metres (5,886 ft)
• Mesovouni (Greek: Μεσοβούνι) at 1,730 metres (5,680 ft)
• Krevatia (Greek: Κρεββάτια) at 1,563 metres (5,128 ft)
• Epano Chrepa (Greek: Επάνω χρέπα) at 1,559 metres (5,115 ft)
• Lioritsi (Greek: Λιορίτσι) at 1,155 metres (3,789 ft)
• Sterna (Greek: Στέρνα) at 1,071 metres (3,514 ft)

The record low temperature of −35.3 °C (−31.5 °F) was registered on 17 January 2012 in Mainalo sinkhole.

The mountain houses many forests of Greek fir and Crimean pine. Natura 2000 cites these forests as the "[Greek fir and Crimean pine's] best representation in Peloponnisos."

Mainalo has several ecological environments, comprising:

• Mediterranean arborescent matorrals, covering 8.96 square kilometres (3.46 mi²) of the mountain, this environment consists of Mediterranean and sub-Mediterranean sclerophyllous evergreen shrublands grouped under arborescent junipers.^:59
• Endemic oro-Mediterranean heaths with gorse, covering 5.57 square kilometres (2.15 mi²) of the mountain, this environment consists of a dry mountainous environment. Mediterranean heaths are usually dominated by Genista, while containing various other, often spined, shrubs like Acantholimon, Astragalus, Erinacea, Bupleurum, Ptilotrichum, Echinospartum, and Anthyllis. This environment also includes a variety of Asteraceae and Lamiaceae.^:53
• Calcareous rocky slopes with chasmophytic vegetation, covering 0.22 square kilometres (0.085 mi²) of the mountain, this environment consists of limestone cliffs and screes, featuring great ecological diversity, with many endemic plants growing in fissures within rock.^:96

Many amphibians, reptiles, mammals, insects, and diurnal predatory birds inhabit Mainalo. These include, among others;

• Reptiles such as the Balkan whip snake, marginated tortoise, Kotschy's gecko, Greek rock lizard, Peloponnese wall lizard, European copper skink, and the horned viper.
• Mammals such as the European hare, beech marten, European badger, lesser noctule bat, edible dormouse, Thomas's pine vole, and the western broad-toothed field mice.
• Amphibians such as the European green toad, European tree frog, and the Syrian spadefoot.
• Birds such as the northern goshawk, Eurasian sparrowhawk, common buzzard, common kestrel, and the peregrine falcon.
• Insects such as the Kretania sephirus butterfly, Persian skipper butterfly, eastern orange tip butterfly and the mountain small white butterfly.