The sun started to set on the Massif
mas·sif [ma-seef, mas-if; Fr. ma-seef]
–noun
1. a compact portion of a mountain range, containing one or more summits.
2. a large elevated block of old complex rocks resistant to both erosion and crustal folding.
3. a band or zone of the earth's crust raised or depressed as a unit and bounded by faults.