How to get to Kardamyli & Stoupa (Messinian Mani)
In order to get to Kalamata follow the Korinthos - Tripoli - Kalamata Motorway. Read also How to get to Kalamata and Messinia's destinations.
After Mantineies you enter the slopes of Taygetos
For Messinian Mani you do not enter Kalamata but continue peripherally. Near the beach you will come across a roundabout where you continue straight for Kardamyli - Areopolis - Dyros Caves - Mani as the signs indicate.
You first pass through Verga and Mantineies and then you enter the slopes of Taygetos. The road has several turns but it is very good, from what I saw it is recently asphalted. The distance between Kalamata and Kardamyli is about 45 minutes. After Kardamyli it is another 10 minutes to Stoupa.
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Crossing the slopes of Taygetos