This is also one of geological reasons why Port wine is so unique and can only be produced in this region.

The house is located in the grounds of Quinta de Mouraes, a lovely property near the River Douro.

The property is well maintained and has a 2,5 hectare garden with many unusual shrubs and plants, including camellias and azaleas, which provide a blaze of colour each season.

Casa do Xisto has two double bedrooms, one twin and one single bedroom. All bedrooms have bathroom, telephone and central heating.

The living room is comfortably furnished and has a fireplace, bar, television and internet connection. There is also a wooden balcony connecting to the dining room which accommodates eight persons.

The fully equipped kitchen has fridge, dishwasher, oven, toaster, coffee machine and kettle. The house also has a washing machine.

There is also a terrace with magnificent views over the gardens of the property.

Casa do Xisto has a swimming pool, measuring 12 by 6 metres and a children 's pool. There is also a small lake where a couple of swans swim around freely.

The city of Porto is just 25 minutes away and guests will enjoy a visit to the many attractions Porto has to offer. In particular, the Unesco World Heritage site and the Port wine lodges in Gaia on the other side of the river.

A journey to the Douro Valley on a river cruise, by road or even on the famous railway, is a wonderful opportunity to enjoy some of the most breathtaking landscapes in Europe.

Accommodation in the main house is at Quinta de Mouraes.

The nearest international airport is at Oporto (Porto).