A route that cannot be skipped during a visit of Athens. Riding down the coast of Attica to Sounio and the temple of Poseidon you'll find great views and a great road!
After the temple we'd recommend to stop for a coffee in the port of Lavrio. From Lavrio there is a small climb that leads into a road in between the vineyards.
After you leave the vineyards behind you're an your way back to the coastal road, which will lead you to Vouliagmeni again.