How many letters does the top answer for “a picturesque mountainous province of western austria and northern italy” have?

The most common answer is tirol (5 letters).

Crossword clue: a picturesque mountainous province of western austria and northern italy

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

tirol 5 letters wn-def

a picturesque mountainous province of western Austria and northern Italy

tyrol 5 letters wn-def

a picturesque mountainous province of western Austria and northern Italy