MOUNTAIN: (On YouTube at: https://youtu.be/u3xYMeKi63Y ) This sign combines the signs "rock" and "upward slope."mountain: Mountain [animated example]ROCK: See the ROCK page for additional info. Notes: Where this sign is taught: Taught in Lesson 26. Practice sentences using this sign: YOU LIKE MOUNTAIN HIKE YOU? Related signs: BRIGHT | DARK | DIG | DON'T-CARE | FLOWER | FORGET | GRASS | HEAVY