Читать книгу The GR20 Corsica. The High Level Route онлайн
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The days are cooler than the peak summer season, but remain warm and clear. After June, this is the best month to trek.
October
The PNRC refuges remain open, but are unstaffed and have no food supplies. While fuel might be available, it is best not to rely on it, and the water supply might be disconnected to avoid frost damage. Private bergeries will be locked and bolted, and any small food stores along the route will probably be closed, so it will be necessary to carry food, or leave the route at intervals to obtain supplies. Very few bus services will be available, although the train through Vizzavona continues running.
Those who start the GR20 at the beginning of the month and aim to complete it by the middle of the month will experience cold nights and possibly frosts. After mid-October, snow could fall at any time. Snow obscures paths and waymarks, and when it accumulates on steep slopes, there is immediately a risk of avalanche. For ordinary trekkers, the route is closed throughout the winter, although ski-traverses are sometimes achieved.