This area of ancient woodland near Newark-on-Trent has some nice footpaths taking you around the forest. In the woods you will find large Victorian era-planted Rhododendrons and other interesting flora and fauna.
There is a car park off Coddington Lane where you can pick up the circular surfaced walking trail. It runs for just under a mile and is a nice way to spend half an hour.
To extend your walking in the area you could head a couple of miles west and pick up the Trent Valley Way. The lovely riverside trail runs through Newark-on-Trent and Collingham.
The woods are close to the villages of Coddington and Beckingham which are nice places to go for refreshments after your walk.