In the Netherlands there aren't real mountains (the highest one is a 322 meters high hill) but fortunately elsewhere in the world there are beautiful ones.
The following mountains all happen to be covered with snow.
For instance the famous mount Olympus in Greece. As a child I loved to read mythology stories, and according to these, the ancient Greek gods and goddesses had their home on this mountain:
(See more Greek mountains on Joy's blog post of today.)
A snowy mountain in Norway:

Australian Alp in Victoria, Australia:

And simply but beautifully designed Austrian Alps from Austria:

See more beautiful mountains on beautiful stamps at and via Sunday Stamps.