The Señorio de Olmillos is a 15th-century castle in the quiet town of Olmillos de Sasamón. Just 20 minutes from Burgos, it offers free Wi-Fi and free onsite parking. The rooms in Señorio de Olmillos have stone walls, beamed ceilings and wooden floors. They also have air conditioning and heating. One child up to 13 years old stays for free in an extra bed. The castle’s restaurant serves a range of local dishes using regional ingredients. There is also a snack bar, lounge-dining room and meeting room. The town of Olmillos de Sasamón is just minutes from the A-231 motorway, which goes directly to Burgos. Sights in the town include the Gothic church of Castrojeriz, located on the Way of St James.