From Athens you can take either a train or a bus up to Meteora.
The trains servicing the northern part of Greece leave from the Larissa station, while the buses serving that part of the country leave from Terminal B, at Liossion Street. Train schedules can be obtained from OSC website and buses usually leave once every two hours.
Both rides are long (about 4.5 to 5 hours) so make sure to bring a good book.
You can hire a taxi right at the train station to take you to all the monasteries for about 30-40 euros(in 2005).
However, reaching the spires by foot gives visitors a much more tangible feeling of the Meteora's majesty. It is a difficult hike, but experiencing the sanctuaries like the monks did a few hundred years ago only increases its wonder.
In the summer, be prepared for the Greek heat, and as the hike takes a whole day, bring a few liters of water.
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