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Anecdotally, in Northern Wisconsin, GMaps is only slightly better than OSM on abandoned logging roads. There are a lot of private gated or abandoned roads and logging tracks which Google Maps will use for route planning.

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That's kinda how it is here. The best thing seems to be to bounce between Google Maps and OSM and an aerial view to get a sense of what's up.

For an interesting example, check out this place: Google: https://www.google.com/maps/@46.4133003,-87.5248774,5345m/da... OSM: https://www.openstreetmap.org/#map=14/46.4161/-87.5406

Neither has the actual current lake boundaries (as used as a retention pond), Google has roads where the lake is while OSM doesn't, etc.

3dep can be a huge help in figuring out how prominent tree covered roads are.

https://elevation.nationalmap.gov/arcgis/rest/services/3DEPE...

It's listed as a Theme Overlay at https://viewer.nationalmap.gov/services/

Thanks, this is interesting. I checked a few spots and it doesn't seem to be quite helpful for what I'm looking for (seeing if a road has had brush grow back in over it making it impassable) but this would be quite useful for other things.

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