Category Nuances for mountainous_area:

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

Simple Categories for mountainous_area:

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