If passed, a bill would open up the possibility of biking on trails in wilderness areas, such as the 9.4-mile (out and back) Tomales Point Trail. David Briggs

Do bikes belong in the 33,373-acre Phillip Burton Wilderness in the Point Reyes National Seashore? That’s a question that the hikers, horseback riders, bicyclists and park officials of West Marin may soon have to unite to answer.

Last month, a bill that would overturn a longstanding ban on bicycles in federally designated wilderness areas . . .