Norway's Jotunheimen National Park bristles with glacier-clad peaks amid northern Europe's highest mountains, but a five-star hut system makes it a place you can bring your kids. And mom.

Beachside trek meets pub crawl meets castle tour on Europe's newest long trail, the 870-mile Wales Coast Path, officially opened last May. Want to be among the first to hike it all--or its highlights? We sent our scout to find the best sections before the guidebook even hit the shelves. He returned with beta on two 100-mile routes that each fit neatly in a week's vacation, plus a few surprising lessons about backpacking in King Arthur's homeland.