Barcelona is a big city and doesn't lend itself well to general walking tours of the whole city. Instead, tour guides cater their tours to particular interests. On this page you'll find a number of walking tours in Barcelona that cater for your specific tastes and needs.
If walking is too pedestrian for you, I've found a collection of other forms of transport you can take to see Barcelona. Read about them here: Alternative Barcelona City Tours
The Gothic Quarter is Barcelona's 'old town' and is the most compact zone of tourist sites - perfect for a walking tour! See August's Temple, cathedral cloister and the palantine chapel of Santa Agata (Plaça del Rei).
Exactly what it sounds like - an evening walking tour of Barcelona with tapas in the Gothic Quarter.
For many, the main reason to come to Barcelona is to see the modernist architecture, not just of Gaudi but also the likes of Domenach i Mutaner and Puig i Cadafalch. This walking tour takes you past some of these men's greatest creations.
Picasso spent a lot of time in Barcelona; this tour takes you around his most popular haunts, followed by a trip to his museum.
Enjoy the sights and smells of Catalan cuisine in this tour that takes you to the Boqueria market and to a classy glass of wine and tapa at La Vinya del Senyor.
6. Barcelona Walking Tour: Photography
Explore Barcelona with an experienced photographer at your side. He or she will take you to the most photogenic parts of Barcelona and help you get the best shots from your camera.
More: Photography Walking Tour of Barcelona
Learn about Barcelona's haunted past, if you believe in that sort of thing. Good for Halloween.
8. Barcelona Walking Tour: Books and Movies
Lots of books and movies have been set in Barcelona. Pick from one of two books or see a full range of movie scenes on one of these tours.