Ysgol Gynradd Coed y Dderwen Ysgol Gynradd Coed y Dderwen is in Merthyr Tydfil, Wales. The Environment Around Ysgol Gynradd Coed y DderwenThe kind of things that are available at/near to Ysgol Gynradd Coed y Dderwen are:Woodlands or Forest: Open grassy areas or fields (e.g. school playing field): Urban areas: Open hills (e.g. the South Downs): Lakes and ponds (e.g. school pond): Rivers (i.e. flowing water too deep/dangerous to wade through): Streams (i.e. flowing water you can safely wade through): Coast with safe access to the waterline (e.g. a beach):