are there any places worth visiting?
Yes, there is the Surrey Hills, Claremont Landscape Garden, the Devil's Punch Bowl, Royal Botanic Gardens and a few others.
Surrey
Significant landscapes in Surrey include Box Hill just north of Dorking; the Devil's Punch Bowl at Hindhead and Frensham Common. Leith Hill southwest of Dorking in the Greensand Ridge is the second highest point in southeast England. Witley Common and Thursley Common are expansive areas of ancient heathland south of Godalming run by the National Trust and Ministry of Defence. The Surrey Hills are an area of outstanding natural beauty (AONB).
More manicured landscapes can be seen at Claremont Landscape Garden, south of Esher (dating from 1715). 
what is denbies? It is a large estate where is it located? To the northwest of Dorking in Surrey, England what is so important about this estate? It was developed as a weekend retreat, that had views of the Surrey landscape. who owns the estate? It was first owned by John Denby. can you please name any river that is present in the mentioned county? Thames which football clubs would you find here? Ash United, Badshot Lea, Banstead Athletic, Camberley Town, Chessington & Hook United, etc.
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Surrey [SEP] Places of interest
Wisley is home to the Royal Horticultural Society gardens. Kew, historically part of Surrey but now in Greater London, features the Royal Botanic Gardens, Kew, as well as The National Archives for England & Wales. There are 80 Surrey Wildlife Trust reserves with at least one in all 11 non-metropolitan districts. Surrey's important country houses include the Tudor mansion of Loseley Park, built in the 1560s and Clandon House, an 18th-century Palladian mansion in West Clandon to the east of Guildford. Nearby Hatchlands Park in East Clandon, was built in 1758 with Robert Adam interiors and a collection of keyboard instruments.