Marina to Garraf

The clockwise direction earns its keep. You climb fresh into Marina's pine ridges with the morning sun behind you, drop through the back of Sant Cugat into the Llobregat valley around midday, then take on Garraf's exposed limestone in the afternoon — south-facing, dry, dramatic. By the time you roll back along the coastal corridor toward Badalona, you've ridden three distinct landscapes in one ride.

It's the kind of route that makes you understand the geography of the Catalan capital in a way no map can teach you. Barcelona sits in a basin pinched between two ridges and a river. Ride the perimeter and you'll feel why the city stops where it does — the mountains have always had the last word.

Water is reliable in the urban edges (Sant Boi, Castelldefels, Gavà) but sparse inside the Garraf massif. Carry an extra bottle for the southern half. The climbs are mostly fireroads, the descents mixed; nothing technical enough to require a dropper, but the Garraf rocks bite if you're not paying attention. Best ridden October through May — Garraf is brutal in summer.