The Foz lighthouse walk is less about going inside a tower than standing where the Douro runs into the Atlantic. Start at Jardim do Passeio Alegre, pick out the old lighthouse-chapel at Cantareira, then walk west to the Farolim de Felgueiras on the jetty. Keep going north along the seafront if you want a longer coastal day.
Two very different lights
Farol-Capela de São Miguel-o-Anjo sits by Cantareira. It is a small 16th-century navigation building, not the tall, dramatic lighthouse people expect from a postcard. It’s easy to pass if you’re focused on the waves, so pause by the garden and look back along the riverfront. Map
At the end of the jetty, Farolim de Felgueiras is the familiar stone lighthouse at the river mouth. The city tourism listing says the light was deactivated in 2009, although the sound signal remains. You’re visiting the setting and the structure, not an operating lighthouse museum. Map
Walk it in this order
From Jardim do Passeio Alegre, follow the waterfront past São Miguel-o-Anjo to Felgueiras. On a calm day, continue north along Avenida do Brasil toward Foz’s beaches and Castelo do Queijo. There are cafés along the way; stop when the wind or your legs say so. Walk route
This is a good half-day when the centre has started to feel crowded. Bring a wind layer even in summer; the waterfront can feel much colder than the streets inland. In rough weather, do not walk out onto the jetty or wet rocks for a photo. Stay behind barriers and watch the sea from the promenade. The Portuguese civil-protection authority’s advice is simple: keep back from the waterline, especially when waves are high, and call 112 in an emergency.
I’d take this walk for the change in scale: the old garden, the river mouth, then open ocean. You don’t need to chase every coastal landmark in one outing. A coffee in Foz and a safe look at the waves is a perfectly good afternoon.