Flattest Route to Coeur d'Alene, ID
We're looking for the flattest route from Las Vegas, NV to Coeur d'Alene, ID. Interstates are my first choice as we will be on I-15, but I have heard that there are some very steep grades coming from ...
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US95 from the south has a couple of grades in Idaho, both climbing out of major river valleys (Salmon and Snake). They aren't steep by federal highway standards.
I15 has a broad pass on the ID/MT border, and meets I90 at Butte, a mountain top mining town. There are several passes I90, including on the MT/ID border.
US395 crossing Washington from S to NE is relatively flat, but has some hills in NC Oregon.
I15 has a broad pass on the ID/MT border, and meets I90 at Butte, a mountain top mining town. There are several passes I90, including on the MT/ID border.
US395 crossing Washington from S to NE is relatively flat, but has some hills in NC Oregon.
