The town of Mammoth Lakes lies on the edge of a truly remarkable ongoing geological event site known as the Long Valley. Join The Sierra Club Range of Light Group to learn about:

• Highlights of Long Valley – A unique geology, a rich cultural past, a long history of ranching, geothermal development, now recreation
• The Present – Two imminent threats to the Long Valley’s unique habitat
• The Future – What we can do to preserve the Long Valley we all know and love

Click here for more information and to register.