A few images: https://www.google.com/search?sca_esv=4e98a81333b88c42&udm=2...
Map with elevation: https://www.google.com/maps/place/Gates+of+Lodore/@40.585090...
The HGTV show House Hunters used to be wildly inaccurate with their map location pins. On more than one occasion they'd say a couple is from the Bay Area but when they show the map the location pin would be in LA County. Like, come on. That's not even close.
Also, no need for exact location for these pins. The new home owners probably are fine with it not being exact
Using what they can from free, public domain sources.
https://www.astralcodexten.com/p/testing-ais-geoguessr-geniu...
"may inspire circuitous road trips involving many stops dangerously examining road-cuts on busy interstate highways"
> a cold, round anomaly about 200 km below the surface.
> By estimating how far the drip had fallen and calculating the speed of its descent, the researchers estimate that the drip broke off between 2 and 5 million years ago.
A few megayears later, the bit that broke off is still falling.
200km in 2m years, I make that in the ballpark of 0.1m per year - a bit less if it's > 2m years, and started below the surface.