Upwaltham is a scattered settlement and civil parish in the South Downs, in the District of Chichester of West Sussex, England. It surrounds a parish church, which is about 5 miles south-southwest of Petworth on the A285 road.
The parish is about 2+3⁄4 miles long north – south, up to 1+1⁄4 miles wide east – west and has an area of 494 hectares. The northern part of the parish includes part of North Down, a hill 830 feet high.
The 2001 Census recorded a parish population of 25 people, living in 10 households. The scattered settlement is in a dry valley. Around the parish church are two farmsteads and two cottages.
Wikipedia https://en.wikipedia.org/wiki/Upwaltham
Coordinates 50°54'43.751" N -0°39'49.733" E