A famed heavy metal rocker’s plans for a new home and recording studio in the Marin hills has triggered an angry dispute with hikers and cyclists over a popular hiking trail that is now off limits.

James Hetfield, co-founder of the legendary heavy metal band Metallica, has erected a barbed-wire fence on his property near San Rafael, cutting off a fire trail that has been open to public use for decades.

Among those who have often used the trail is Connie Berto, who rides her horses in the picturesque Marin countryside.