Komoot has put together a collection of 20 routes around London.
These are most suitable for gravel riding.
Difficulty:
Intermediate / expert | 70km | +900m
Description
This ride will take you to Surrey via Lovelace. The first half has bumpy trails but nothing that cannot be handled. The second half is smooth and compact.
Recommend tyres width 38mm +
Difficulty:
Intermediate / expert | 92km | +1200m
Description
This long nice ride will take you to Surrey hills. It is mainly off road, it follows bridleways and trails. Some parts can be challenging with uphill rocky trails, this will require wide knobbly tires.
Recommend tyres width 38mm +
Difficulty:
Easy / intermediate | 32km | +320m
Description
A decent gravel loop starting from Trent Park and going up into Souths Herts, around 45km long with mixed terrain surface suitable for most gravel, XC MTB's and CX bikes.
Recommend tyres width 38mm +