Twenty-one Mile Butte

peak

The record

Light

Date	Sunrise	Golden hour	Sunset
March equinox	07:07	18:37	19:15
June solstice	05:20	20:06	20:50
September equinox	06:51	18:24	19:02
December solstice	07:36	15:40	16:28

Local time (America/Denver).

Where it is

44.11248, -105.72445

Elevation 1,576 m

Sources

Drive to it

Byway plans a real route around stops like this one.