Over two hundred bird species have been sighted on the mountain, and it is well known to birders for its superb examples of chaparral birds, spring migrants, numerous raptors, and such locally elusive species...
...You may well wonder - ticks? Black flies? Slippery slopes? This is a favorite trail? Rest assured that there are compensating features - the Black Point Trail is one of the park’s top attractions, best appreciated during the spring months...
...The lovely green pond, with its ring of magnificent sycamore trees, stands like an emerald jewel among the undulating meadowy hills, a welcome focus to the area’s wildlife...
The Calaveras Jumping Frog is a story written by Mark Twain in the 19th century. Contrary to popular belief, the frog in that story was NOT an American Bullfrog...
Two partners, Harrison and Birdwell, developed mining for construction aggregates on Mount Zion in 1947. However, this was not the first mining activity to occur in the area...
As one drives easterly on Ygnacio Valley Road across Lime Ridge northwest of Mount Diablo, scars from open pit quarry operations can be seen to the right of the road...
