Hiking the Pacific Crest Trail through Southern California defied my expectations of sunshine and mild weather. The aftermath ...

No other mountain in the lower 48 states rises so high so fast, not even the Sierra Nevada or Grand Tetons. The San Jacinto Mountains are part of what geologists term the Peninsular Ranges ...

The Sierra Nevada Mountains are accessible near this small town with plenty of outdoor adventures as well as excellent local eateries. Here's why you should go.

The San Jacinto fault may not be shaking yet, but it's trembling. And if it goes, according to one study, it could rupture along with the San Andreas fault--producing a catastrophic earthquake.

Energy & Environment EPA to discuss San Jacinto river waste pits Superfund site during community meeting Tuesday. In a letter last year, the agency threatened to take over the clean up of two ...