Mother Mountain is a series of peaks that stretches from Mowich Lake to the Carbon River in Mt. Rainier National Park.   Second Mother Mountain is the peak located half-way along the ridge. The climb is usually done as a day climb from Mowich Lake via the west side. Most of the route is off trail requiring good route finding skills.  

Other Information
Driving Distance from Portland 190 miles
Driving Time from Portland 4 hours
General Route Info peakbagger http://www.peakbagger.com/climber/ascent.aspx?aid=826976
Relevant Books 100 Peaks at Mountain Rainier Cascade Alpine Guide vol. 1 by Fred Beckey
Relevant Maps USGS Mowich Lake Google map https://goo.gl/maps/muy4cMeZDfP2
Useful Links