In the Vinony graph
Vinony's link graph records 5 inbound references to Mainstay Lake, and connects out to South America, Guyana and Atlantic Ocean.
The entry is geolocated on the map, across 2 mapped points.
Vinony files it under Lakes of Guyana and Tourist attractions in Guyana.
Vinony links it to 4 Wikipedia language editions.
On the map
2 mapped locations