None.

291 520 700.

Main ports: Lisbon (www.portodelisboa.pt), Leixões (Porto) (www.apdl.pt), Funchal (Madeira) (www.portosdamadeira.com) and Portimão (Algarve).

InterRail: offers unlimited first- or second-class travel in up to 29 European countries for European residents of over six months with two pass options. The Global Pass allows travel for 15 days, 22 days, one month, five days in 10 days or 10 days in 22 days across all countries. The One-Country Pass offers travel for three, four, six or eight days in one month in any of the countries except Bosnia & Herzegovina and Montenegro.

Travel is not allowed in the passenger's country of residence. Reductions are available for travellers under 26. Children under 12 are free when travelling with an adult using an Adult Pass. Supplements are required for some high-speed services, seat reservations and couchettes. Discounts are offered on Eurostar and some ferry routes. Available from Voyages-sncf.com (tel: +44 844 848 5848, in the UK; www.voyages-sncf.com).

Eurailpass: offers unlimited train travel in up to 28 European countries. Tickets are valid for 15 days, 21 days, one month, two months, three months, five days in 10 days, 10 days in two months or 15 days in two months. The Global Pass allows travel across all participating countries. The Select Pass is valid in four bordering countries. The Regional Pass lets you travel in two bordering countries. The One Country Pass offers travel in one of 27 countries.

Adult passes are valid for first-class travel, while youth passes (under 26) are valid for second-class travel. Children under 12 are free when accompanied by an adult using an Adult Pass. The passes cannot be sold to EU citizens or residents. Available from Eurail (www.eurail.com).

The quickest route from the UK is via ferry from northern Spain. For the more adventurous, there is the option of taking the ferry or Channel Tunnel to France and driving down. Brittany Ferries (tel: +44 330 159 7000, in the UK; www.brittany-ferries.co.uk) runs from Plymouth to Santander, and from Portsmouth to Santander and Bilbao.

Eurotunnel (tel: +44 844 335 3535, in the UK; www.eurotunnel.com) operates 24 hours a day through the Channel Tunnel between Folkestone in Kent (with direct access from the M20) and Calais in France.

Coach travel to Portugal from the UK and other countries is possible, although it can be a long, hot and laborious journey. Eurolines (tel: +44 871 781 8177, in the UK; www.eurolines.co.uk) runs services to Portugal from Victoria coach station in London, but you need to change at the Area Suco interchange in Spain.