With a few exceptions (notably some Asian, African and Communist countries), viasa are not requiered for travelers entering Peru. Tourist are permited a 30 to 90 day stay, wich is stamped into their passports and onto a turist card, called Targeta Andina de Migracion (Andean Immigration card), that you must return upon leaving the country. The actual length of stay is determined by the immigration officer at the point of entry. Becareful not to lose your tourist card, or you will have to queue ua an oficina de migraciones (immigration office), also simply known as migraciones, for a replacement card. It is a good edia to carry your passport and tourist card on your person at all times especially when traveling in remote areas, (it is requiered by law on the Inca Trail). For secority make a photocopy of both documents and keep them in a separate place form the originals.
Peru use de Nuevo Sol (S), wich has traded at S2.50 to S3.50 per US dollar (US$) for several years although you should keep an eye on current events. Prices in this book are generally qoutes in nuevos soles, though some are listed in US dollars. Carrying cash, an ATM card or traveler´s checks, as well as a cridit card that can be use for cash advances in case of emergency, is advisable. When receiving local corrency, always ask for billetes pequeños (small bills), as S100 bills is hard to change in small towns or for small purchases. Carry as much spare change as posible, especially in small towns. Publics bathrooms often charge a small fee for use and getting change for paper can be darnn near imposible. The best places to exchange money are mormally casa de cambio (foreing exchange bureaus), which are fast, have longer hours and often give slightly better rates than banks.
Peru is five hours behind Greenwich Mean Time (GMT). It is the same as Eastern Standard Time (EST) in North America. Daylightb Saing Time (DST) is not used in Peru, so add an hour to all of these times between the first Sunday in April and the last Sunday in October.
Peru has tree main climatic zones: the tropical Amazon jungle to the east. the arid coastal desert to the west. and the Andean mountains and highlands in between . In the Andes, wich have altitudes over 3500m. average daily temperatures fal, below 10°C (50°F) and overnight temperatures can dip will bellow freezing. Travelers flying straight to Cuzco (3250m), or their hight altitude cities, should allow several days to aclimatize since altitude sickness, or soroche can be a problem. April to November is the dry season in the mountain and altiplano (Andean Plateau). the wettes months are from Decenber to March. It rains al the time in the hot and humit rainforest, but the driest months there are from April from November. However, even during the wettest months from December to March, it rarely rains for more than a few hours at a time. Along the arid coastal strip, the hot summer months are form December trought March. Some parts of the coastal strip see rain rarely, if at all. From April to November, Lima other areas by the Pacific Ocean are enclose in garua (coastal fot, mist or drizzle) as warmer air masses off the desert and drifts over the ocean wheren the cold Humboldt current hits.
Peru´s grinding poverty more then half of the country lives under the poverty line with a fifth of the population surviving on less than US$2 a day-means that petty crimen is common. The biggest annoyance most travelers will experience, however,is a case of the runs, so do not let paranoia ruin your holiday.