no one knows how old the alps are. it's yet to be discovered.
They began forming about 65 million years ago at the end of the Cretaceous. They were modified by glaciation during the ice ages, but are far older than 10000-12000 years. They are very old.
Southern Alps is a mountain chain in New Zealand.
New Zealand.
idk, checked other websites that said about 10000-12000
It takes tens of millions of years for mountain ranges to mature and move inland. The Swiss Alps would be quite a few million years old