The Middlesex Greenway is a long-distance walking route along the western and northern edges of the historic county of Middlesex, England.
The route is 45 miles long and was devised by Stephen Collins, who walked it over two days in 1990.'Councillor embarks on quest to rediscover lost 45-mile walking trail': Rachel Russell in The Watford Observer, 13 October 2017
The trailheads are:
Staines-upon-Thames North of Enfield Lock
References
UK Trailwalkers Handbook, p77
External links Middlesex Greenway on WildþingUK Long Distance Walkers Association: The Middlesex Greenway