Snow field is a term used to describe a large area of snow, usually found in mountainous regions. The two crossword solutions for this term are NEVE and FIRN. NEVE is a type of snow that is formed from the accumulation of snowfall over many years and is usually found at high altitudes. FIRN is a type of granular snow that is formed when NEVE is compressed and partially melted. It is usually found at lower altitudes than NEVE.