Time difference : -8h (GMT +1)
Currency : Dollar
Language : English
Climate : From May to September, conditions are perfect to visit Idaho. Avoid winter, because temperatures frequently drop below 0.
Formality : A biometric passport is required to go to USA. A type « Delphine passport » is also valid provided that it has been obtained at the latest October, 26th 2005. Since 2010, you have to request an electronic travel authorization ESTA (Electronic System for Travel Authorization) before the departure. You have to fill out a form in English on the ESTA website.