Merchants in downtowns across the North Olympic Peninsula are offering trick-or treating today.

• In Port Angeles, participating businesses will offer trick-or-treating for costumed children from 2 p.m. to 5 p.m.

Street-crossing guards will be provided by volunteers from the Olympic Kiwanis Club of Port Angeles to help keep the streets safe.

White Crane Martial Arts will offer a Haunted House at 129 W. First St., during the same hours. Admission is free.

• In Sequim, participating merchants on Washington Street will offer treats to costumed young people from 3 p.m. to 5 p.m.

Staff with the Sequim-Dungeness Valley Chamber of Commerce will be on hand to help keep youngsters safe.

• In Forks, many businesses will hand out candy to children during regular business hours or from 4 p.m. to 5 p.m.

A flier with details about each business is available at forkswa.com/events.

• Port Townsend will put on a parade prior to trick-or-treating today.

Participants in the costume parade will assemble at 3:45 p.m. at 1st Security Bank Plaza at Adams and Water streets.

The parade will leaves at 4 p.m. Parade participants will march down Water Street to Polk Street.

Trick or Treat will follow immediately at participating businesses on Water Street, Washington Street and in between.

Also today on Halloween are:

• Trick or Treat Trail at Extreme Sports Park from 2 p.m. to 5 p.m. will benefit the Port Angeles swim team.

The event will offer 20 booths. This year, it will add a fire truck, ambulance, police car, dump truck and excavator for kids to check out.

• Pipe Screams is a Halloween pops concert featuring organists in costume from across the North Olympic Peninsula playing music from movies, video games, pop songs and television shows at 6 p.m. today.

The concert will be presented by the Olympic Peninsula Chapter of the American Guild of Organists at the Holy Trinity Lutheran Church at 301 E. Lopez Ave., Port Angeles. Costumes are urged.

Admission is free with donations accepted.

• Rain of Terror: Haunted Hangar is open from 7 p.m. to 11 p.m. at 5144 Quillayute Road in Forks.

Admission is $10 per person.

• Truck or Treat is planned from 2 p.m. to 5 p.m. today at the Forks Assembly of God, 81 Huckleberry Lane in Forks.