Aveiro

The central canal and its colourful moliceiro boats, now electric, lined with Art Nouveau facades. Free dog-friendly walk; small leashed dogs admitted on a cruise on request.

The old fishermen's quarter along the São Roque canal, narrow streets, tiled houses and Art Nouveau buildings. Fully pedestrian, dog-friendly on a leash.

The striped palheiros of Costa Nova, former fishermen's warehouses, among Portugal's most photographed houses. Seafront promenade dog-friendly on a leash.

The central city park, around 20 ha on a former convent, tree-lined avenues, lakes and an Art Nouveau bandstand. Leashed dogs for a shaded stroll.

Three fenced municipal dog parks (Forca-Vouga east, Fonte do Meio north, Canal de São Roque west) with agility equipment, the only legal way to let a dog off-leash.

A wild Atlantic beach on the edge of a protected nature reserve, reached by ferry. Leashed dogs only; restricted zones off-limits, loose dogs can trigger closures.