I hear your argument, and I agree to it. For new drivers it should also become common sense to plan your route save and thus comfortable.
But OP specifically mentioned his daughter experiences anxiety. That pushes it into a different category if it was not meant metaphorically.
Schwartz wald comes to mind. Vosges if you cross the valley. I bet anywhere within the alps is epic. Can’t really give you specifics, as I’m not a hiker. But my mate lives in Switzerland and does a fair bit of alpinism.