Distance
2.3 mi to summit
5.4 mi total
Elevation
8,477 ft start
10,454 ft max
Vertical
1,953 ft gain
Time
1 hr 30 min to summit
3 hr 29 min total
Gorgeous morning trip up to Lassen Peak. Note that there's a tourist summit, which is not the true summit. Cross over to the rocky peak, which is a minor bit of easy class-2 scrambling.