Hiking trails range in difficulty from "casual" short walks to strenuous jaunts designed for "the more serious hiker," per Bernheim's website.

For serious hikers, there are other major trails in the park.

Some physicists, like Dr. Giddings, specialize in rock and ice climbing; others are simply serious hikers.

The Margallas are excellent for hiking and cater for both the regular serious hikers and the less serious occasional enthusiasts.

Here are six terrific hiking destinations with something to please everyone from the casual to the serious hiker.

This is a true mountain town, with the shops that line the twisting road through the centre filled with everything the serious hiker could need.

She was built like a firecracker, with the muscled legs and broad shoulders of a serious hiker.

Most wilderness trails are also used by serious hikers and backpackers who may find excessive blazing to be visually annoying or distracting.

One of the best areas for both, and especially for serious hikers, are the High Tatra mountains around Zakopane.

Not unless she was a serious hiker.