Blackstar Canyon road to Main Divide, left on Main Divide and follow all the way to Sierra Peak (just look for all the antennas).

All fireroad route. Initial climb up Blackstar is longer than the return climb up Skyline. Skyline is a little steeper yet very manageable. The down...   Read more 

Nice climb up Skyline Drive up to Main Divide then north on Main Divide up to Sierra Peak and great views of Chino Hills state park and Mt Baldy , Big...   Read more 

Start with a climb up Eagle Road until you hit Main Divide, follow south to Silverado Motorway, after all that fun go up Maple Springs then back along...   Read more 

If you're looking for a real leg burner then look no further. This route takes you up Blackstar to Main Divide before you take your first of two plun...   Read more 

This route starts near the Green River Golf Course (off the 91 Fwy). The entire route is fire road with an ascent up Coal Canyon on the "out" leg and...   Read more 

This route starts on Skyline Road (fireroad) from the Corona side of the Santa Ana Mountains and meanders up to Main Divide then Beek's place (a remai...   Read more 

Blackstar Canyon is one of the more northern mountain biking venues in the Santa Ana mountain range. The fire road ascent to Beek's Place is very plea...   Read more 

It's all fire road with plenty of climbing. This is a great training ride yet quite scenic, with impressive long range views of Mt. Baldy, San Gorgon...   Read more 

From Corona area, this route starts up Skyline up to main divide then down Blackstar canyon, then at the gate at the bottom of Blackstar turn around a...   Read more 

This route is a good training ride. Good climbs, mostly fireroad with the motorway single track towards the end. The last seven miles is on the road...   Read more