You'll leave Bilbao early in the morning towards San Sebastian.
Once you arrive in this city, you'll start a walking tour of 4 hours with local guide around the city centre and Old Town.
After the walking tour, you'll have some free time for lunch (the guide will recommend the best options for you).
At 4.00pm you'll depart from the bus stop located in front of the Kursaal Congress Centre and Auditorium in order to start a sightseeing tour including the ascend to the Igeldo Mountain to enjoy the impressive views of la Concha.
Finally, after an entire day in San Sebastian, you'll return to Bilbao.