Terrain following without Rangefinder (Lidar/Sonar)

[Blue_fire (Mithun)]

Currently I am using Benewake Lidar for terrain following in AUTO mode.

Can I perform terrain following in AUTO mode without rangefinders?

[geofrancis (GeoMuir)]

You can preload terrain data from google but its not going to be that accurate.

[Mustafa_Gokce]

https://ardupilot.org/copter/docs/terrain-following.html
https://terrain.ardupilot.org/