climbing three climbers on titnuld

abruptness acme alpinism altitude apex ascension ascent azure backpack base blue bunch caucasus climb climbing cloud clouds cloudy cord crag earth edge elevation empyrean ether footprints georgia ground haversack heaven height highness hill knapsack land lashing ligament mount mountain mountaineering mountains overcast packsack peak pinnacle ridge rock rope rucksack scar scaur sky skyline slope smoke snow sphere steep steepness strap string summit superlative terra tie titnuld top tourism tourists trek tripper vertex welkin