Which small river runs through this valley?

The Red River at Nancledry, cap n!

Isn t the valley Nancledra? I havent a clue which small river runs through it!

Both of you are correct. Now what are the three hamlets to the left pointed out by the signpost? One of them is in America too!

One of them must be Georgia; could the others be Embla and Amalebra?

Possibly Amalwhidden, or even Amalveor...

Georgia, Embla ( Emel may be the plural of amal being the plural edges and la from le meaning place therefore emel-le or edge place) and AMALVEOR (Great edge). It might help to see the situation of the two places themselves to understand their meaning more properly.