Forest of Dean Cycle Centre has opened a new Muc-Off Bike Wash. It's contactless good for your bike and good for not spreading tree disease between forests. 

You can find it near the ranger's office, as you head towards the road bridge which takes you onto the Colliers Trail.

Check out the FoD iBikeRide listing: 

Forest of Dean Mountain Biking Trails (ibikeride.com)