How to import an asc file into sketchup?

Hello, I can’t find a way to import an .asc file in order to have the topography of my land on sketchUp. Do you have a solution for this?
Thank you

I tested importing an .asc file into MeshLab

then Filters > Point Set > Compute normals for point sets

Filters > Remeshing, Simplifications and Reconstruction > Surface Reconstructions Screened Poisson

Export as 3ds file, import in SketchUp

Also, if you search on Google, you’ll find other options.

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Thank-you for your prompt response. I followed your procedure but the result is not consistent with reality as you can see with the photos below. Do you have any idea what’s wrong?

Now that you have added a little information about your file (second photo shared), it may be more appropriate to use CloudCompare for importing, creating the surface and exporting it in an importable format in SketchUp.