The River Meon is a river that flows through an area of Hampshire

Hampshire

Hampshire is a county on the southern coast of England in the United Kingdom. The county town of Hampshire is Winchester, a historic cathedral city that was once the capital of England. Hampshire is notable for housing the original birthplaces of the Royal Navy, British Army, and Royal Air Force...

 in southern England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 known as the Meon Valley, it flows generally southwards from the South Downs

South Downs

The South Downs is a range of chalk hills that extends for about across the south-eastern coastal counties of England from the Itchen Valley of Hampshire in the west to Beachy Head, near Eastbourne, East Sussex, in the east. It is bounded on its northern side by a steep escarpment, from whose...

 to the Solent

Solent

The Solent is a strait separating the Isle of Wight from the mainland of England.The Solent is a major shipping route for passengers, freight and military vessels. It is an important recreational area for water sports, particularly yachting, hosting the Cowes Week sailing event annually...

. For most of its route it is a chalk stream

Chalk stream

Chalk streams have characteristics which set them apart from watercourses associated with other rock types.Aside from those with an interest in the geological and ecological disciplines, the term chalk stream is most widely used among a small group of fly fishermen ,...

, with a length of 21 miles (34 km).

The River Meon rises approximately 1 mile (1.6 km) south of the village of East Meon

East Meon

East Meon is a village and civil parish in the East Hampshire district of Hampshire, England. It is west of Petersfield.The nearest railway station is east of the village, at Petersfield....

. It first flows due north to that village, then northwest to West Meon

West Meon

West Meon is a small village in Hampshire, England, with a population of 690.It is situated near to Petersfield and East Meon, on the headwaters of the River Meon....

, and southwest to Warnford

Warnford

Warnford is a village and civil parish in the City of Winchester district of Hampshire, England.The village lies on the A32 in the valley of the River Meon between West Meon and Exton. It has a church and a pub, . There is an infrequent bus service from Bishop's Waltham to Petersfield...

 before adopting its principal southwards flow.