I stumbled upon this poor mans Grimspound by chance whilst hunting down Carnedd y saeson, it was a good place for a breather as it was getting hotter and my drink had been drunk some time ago.
The low tumbled wall describes an egg shaped enclosure with a large upright stone suggesting a possible north facing entrance.
The blunt end of the egg to the east is made up of large boulders, whilst the rest is constructed out of large yet managable rocks/pebbles.
For good views across the site go up the hill behind the enclosure, this will also make clear the exact whereabouts of Carnedd y saeson, you can hide but you can’t run.