Passage: The county's western and southern boundaries lie deep within gorges carved by the Colorado and San Juan Rivers.  Tributary canyons, cutting through rock layers of the surrounding deserts, have carved the land up with chasms, cliffs and plateaus.  In the center of the county are Cedar Mesa, Comb Wash, Natural Bridges and Hovenweep National Monuments.  Canyonlands National Park is primarily within the county borders.  The Eastern side of Glen Canyon National Recreation Area / Lake Powell in also in San Juan County.  Rising above all, the Blue  Mountains reach to nearly 12,000 feet  and the La Sal Mountains rise to 13,000 feet .  Both ranges are covered with lush forests vividly contrasting with the scenery below.  The elevation change within the county is from near 13,000 feet  in the La Sal Mountains to 3,000 feet  at Lake Powell, an elevation change of 10,000 feet .  The county is cut by deep and spectacular canyons, red rock and mountain meadows, desert, and evergreen forest.  The towns run primarily on a north/south axis along U.S. Route 191 and U.S. Route 163  from La Sal in the north to Monument Valley in the south.
How many feet higher is La Sal Mountains compared to the Blue Mountains? How many feet is the difference between the height of the La Sal Mountains and the Blue Mountains? How many feet taller are the La Sal Mountains than the Blue Mountains? How many more feet do the La Sal Mountains rise up to then the Blue Mountains? How many more feet taller is the La Sal Mountains to the Blue Mountains? What do Tributary canyons NOT form, cliffs, gorges, or chasms? What type of environments make up San Juan County? Which are higher, Blue Mountains or the La Sal Mountains? Which elevation is higher, Lake Powell or La Sal Mountains? Which mountain is taller, the Blue Mountains, or the La Sal Mountains?