Is that still considered a cupola?  Found on the road to Almota, WA, which is

“no longer a town, it was submerged when dams were built along the Snake River. It is now a port near the outskirts of Colfax, along the banks of the Snake River. Located on a pre historic Nez Perce Indian site called Allamotin or Almotine which means moonlight fishing or torch light fishing.”