Vallis

Vallis (plural Valles) is Latin for valley, vale; it may refer to the following :


 * Places and jurisdictions on Earth
 * the Swiss canton Wallis
 * Vallis (see), an ancient city, former bishopric and Latin Catholic titular see in Africa Proconsularis
 * Vallis Vale in Somerset


 * Astronomy
 * Vallis (planetary geology)
 * Vallis Alpes on the Moon
 * Vallis Rheita on the Moon
 * Vallis Snellius on the Moon
 * Valles Marineris on Mars