Category Nuances for mountainous_area:

• populated,
• topographical,
• geographic,
• sensitive,
• difficult,
• sloping,
• rural,
• fragile,
• remote,
• humid,
• isolated,
• inaccessible,
• susceptible,
• open,
• complex,
• climatic,
• outdoor,
• distinct,

Simple Categories for mountainous_area:

• feature,
• area,
• setting,
• location,
• impediment,
• region,
• environment,
• surface,
• space,
• condition,