M25 Junction 17 dog walk, Hertfordshire Junction 17 For a short stroll with the dog, there is comfortable flat walking around part of the first lake. This is really close to the motorway junction but you'd never know it.
Scadbury Park on-lead local dog walk, Kent Biggest park in the area, with a mix of scrubland, an ancient moated manor house and trees. It's dogs on leads only (see the comment below) so don't forget the long lead if you're planning to visit.
Riverside dog walk and dog-friendly inn, London Marvellous and dog-friendly gardens overlooking the Thames. Just pawfect for a bit of human-time after a summer dog walk.
Morden Hall Park dog walks, Surrey Surprisingly unknown park in South London, that's in the care of the National Trust. The River Wandle twists through the middle, and is well defended by geese.
Elthorne Park dog walk, Hanwell, Greater London Junction 2 A park that's also near the canal, so if your dog needs a longer run there's a lot more walking on the towpath.
Eastbrookend Park dog walk, Greater London A country park since 1995, this former landfill site is now a dog walkers' delight.
A404 dog walk near Rickmansworth, Hertfordshire A calm woodland dog-walking space close to Rickmansworth and the A404. A fine place for a gentle dog walk and picnic, and surprisingly quiet.
M25 Junction 24 dog walk at Trent country park, Hertfordshire Junction 24 This is an orderly and well maintained country park, with hard surface paths creating accessibility routes – and all weather dog walking in clean footwear a definite possibility.
Mill Hill Park dog walks, Greater London Useful neighbourhood park for dog walkers, and close to the end of the M1 and the A1. Gently old-fashioned sort of park, in a nice way.
Northala Fields, Northolt, Greater London If you've spotted some odd looking mini-pyramids from the A40 and wondered what they were - why not take the dog for a closer look? ...
Highgate Wood local dog walk, Greater London A tree filled 70 acre park at the beginning of the A1. Once inside the trees, there's almost no trace of the surrounding traffic and there are plenty of tweeting birds instead.
Gladstone Park local dog walk, Greater London Good sized park, and home of the brilliant named Woofstock dog show. A popular dog walking park.