Otterbourne every Christmas and puts on concerts in and around the surrounding area. They also compete in the 1st Section of the National Brass Band Championships of Great Britain. Famous people from Otterbourne include Chris Tremlett who plays cricket for England and Surrey, and novelist Charlotte Mary Yonge. The village of Otterbourne, on the stream Otter Bourne, lies on the old Roman road between "Venta Belgarum" (Winchester) and "Clausentum" (Southampton). It appears in the Domesday Book as Otrebourne. The physicist Sir Isaac Newton lodged at Cranbury House in his twilight years, and John Keble, a leader of the Oxford Movement, settled
Venta Silurum to the emerging Kingdom of Gwent (called initially "Kingdom of Guenta"), and the town itself became known as "Caer-went" or "the castra/fort of Venta/Gwent". Tradition holds that Caradog Freichfras of Gwent moved his court from Caerwent to Portskewett around the 6th century. The town lacked substantial defences until the mid 4th century when stone town walls were built. A small garrison may have been based in the town during this period. Large sections of the defensive walls are still in place, rising up to 5 metres in height in places. The walls have been described as "easily the most impressive