Rock Climbers See Red When Film Crew Paints Boulders Outdoors: Movie company covers over graffiti-and tiny ledges and wrinkles-at two spots in a Chatsworth park. Climbers blame city for allowing it.: [Home Edition]

The historic sandstone boulders at Chatsworth's Stoney Point Park are "one of the cradles of American rock-climbing," according to the sport's enthusiasts.

But to a Warner Bros. crew filming Steven Seagal's latest action opus-"Under Siege 2: Dark Territory"-they're mainly an outdoor set.

A national rock-climbing organization is fuming that the city of Los Angeles, eager to accommodate filmmakers, let the crew paint over graffiti on two of the most popular rocks, covering the tiny ledges and wrinkles that make Stoney Point such a desirable climbing spot.

Climbers complain that because of the paint they will be unable to grip the sides of the boulders, where numerous famed enthusiasts, including Patagonia clothing company founder Yvon Chouinard, started scaling rocks.

For climbers, "This is a very much akin to somebody going in and desecrating the Washington Monument," said Randy Vogel, an Irvine attorney and a member of the Access Fund, a rock climber advocacy group.

City parks officials, who issued the permit to film in the park last week, admit that they...