This country has a wide variety of waterfalls. There might not be any Niagaras (or even close!), but there are still some very impressive waterfalls. Teesdale is particularly well supplied with waterfalls and cascades. The four included here are just a selection from the falls to be found there.
Lake District
Aira Force
Lodore Falls
Sour Milk Gill
Pennines
Summerhill Force
High Force
Low Force
Cauldron Snout
Wales
Pistyll Rhaeadr
Moors
Falling Foss
Nelly Ayre Foss