Originally Posted by
Piff
I dont have an answer to it being used in the rain, but I dunno if it would be a good idea to 100% rely on electronic mapping.
I suspect the OP is not riding gravel roads in western Montana or some equally remote area. They mention roads, cycle and canal paths. I’d suspect the UK. They can likely get away with not having a map and compass but if on a tour, I’d carry as backup.