If you are travelling during High Season and you want to stay at the Refugios, it is advisable to book your accommodation two month before, especially during December, January and February.
IF YOU COME BY CAR
Drive always with your lights on and with your seat belt fastens. Check the state of your spare Wheel
IF YOU COME IN WINTER
Even though the park is open all year round, you have to realize that in winter the routes might be cut by snowstorms, so you will need some extra time. Check your accommodation if they will be open in that time of the year. If you are driving check the state of the routes and always use chains to drive on the snow.
WHAT YOU MUST BRING IN YOUR LUGGAGE
If you are staying in a tent
Most of the trails are with some slope, some more than others, this is not a problem for a person with regular physical condition, for someone sedentary is advisable to do some outdoor walk previously before coming.