A cliff is the point in which a moutain ends.
Search the cliffs of dover on Google images.
Cliff
sixty minutes to reach the top of the cliff
Escarpment
Yup, as long as it's a mountain or ski resort or just a hill.
Yes, they are called The Long Range Mountains.
It's 8851,8 km long.
Taumata­whakatangihanga­koauau­o­tamatea­turi­pukakapiki­maunga­horo­nuku­pokai­whenua­kitanatahuis the Māori name for a hill, 305 metres (1,001 ft) high, close to Porangahau, south of Waipukurau in southern Hawke's Bay, New Zealand.
274.32 meters long, the cliff would be 274.32 meters long
A mid ocean ridge
Well, that's no big cliff you're talking about. It's the long side of the ski hill. Remember that test run that G let you test out his prototype sled with in the mission "G's Secret Mission"? Well the thing that you called a "big cliff" is actually the test run and it takes you to the same forest as the one in "G's Secret Mission". It even has the same black puffle as the one in "G's Secret Mission"!
The Andes
base and arrange