Possible Clues:

• Cumbrian lake
• Liberal in overcoat embracing wife on a Cumbrian lake
• Second largest lake in the Lake District
• Lake in the Lake District, in Cumbria
• Not as sunny (degree less) outside to study here in Cumbria
• Birds don't start fighting around edges of the lake
• Lake with higher level? Not following violent blow in it
• Mere fools no good at getting in with royalty
• Cumbrian lake southwest of Penrith
• True, walls have crumbled into lake