Podnieku lake is located close to the Kalvene in Western Latvia. We headed here while returning back from Liepāja (probably we were eating paella's and empanadas at Tex-Mex Klondaika restaurant prior).
This lake seems in past has been some popular recreational area, there were a lot of camping sites and rumor has it here even was a cafeteria. Nobody knows for sure what happened to this place and why any development tasks has stopped. I believe it won't take long and Podnieku lake will be turned again in a popular recreational area. But for know take a look how it looked like here in Summer 2015.
If you are up to for some eco tourism adventures - Podnieku lake has a lot to offer. Be careful with bonfire - most probably it's not allowed without a special permit to burn a bonfire in Latvia.
Abandoned camping house at Podnieku lake
A boat and footbridge at Podnieku lake
Most probably that boat is leaky and you shouldn't try it out.