The Knoll is part of 'Further Afield,' caches by the National Trust at Clumber Park.
Caches have nearby off road parking, walking of up to half an hour, or cycle along easy routes.
Entry into the park is free for National Trust Members. For non members: Adults- £5.00 standard; Child -£2.50 Standard; Family 2 adults £12.50 Standard; Family 1 adult /£7.50 Standard. Adult G/A £5.50 Child G/A £2.75 Family 2 Adults £13.75.G/A Family 1 Adult £8.25 G/A
Outer reaches of the park along fields and woodland.