Be careful when someone approaches you without an invitation. The local currency is the Dirham, roughly 10 Dirhams to the U.S. dollar. We recommend you bring traveler's checks and a good ATM card. US dollars or other currencies can be converted at most banks, but it's not wise to carry too much. The big hassle is finding an ATM machine that takes your card.
Many Moroccan banks have ATMs that only work with Moroccan cards.
You might lose your card. So be sure you get enough cash to carry you until the next major city. BCM seems to be the best bank, accepting foreign cards in most of their ATMs. Environment Morocco has a diverse geography, from the cooler, wetter Mediterranean and Atlantic coast in the north, to the desperately hot, arid deserts and mountains of the south. You can encounter a wide range of climatic conditions and you should be prepared.