Brown Mountain Ken Burton Loop Trail is a 16.6 mile moderately trafficked loop trail located near La Canada Flintridge, CA that features beautiful wild flowers and is rated as moderate. The trail offers a number of activity options and is accessible year-round.
Many switchbacks are loose dirt, but otherwise KB trail is mostly rideable. Plenty of poison oak, but easily avoided if paying attention. Also pay attention to log placement to avoid wasting time missing trail as it leaves stream bed.
The problem arises at the intersection of the Brown Mt. Road and the Ken Burton Trail. To reach Brown Mt., You must go east on the Ken Burton Trail, up the ridge, a steep incline. The trail is long gone. I hiked it over 20 years ago and it provided access to some beautiful country. I suspect it was lost after the Station Fire. Too bad. The majority of the hike is pleasant but exposed. There are several springs along the way.