The currency in Oman is the Omani Rial (OMR), which is one of the world's strongest currencies — budget accordingly. ATMs are available in cities and larger towns, but cash is advisable for souqs and rural areas. Credit cards are accepted in hotels and larger restaurants. Tap water is not safe to drink; bottled water is provided throughout our tours. Tipping guides and drivers is customary and appreciated — your pre-departure information will give guidance on appropriate amounts. Oman is a conservative Muslim country and alcohol is available only in licensed hotel restaurants and bars, not in public spaces or local restaurants. Temperatures in the mountains, including Jebel Akhdar and Jebel Shams, can drop significantly at night even during the touring season — a warm layer is recommended.