Here's a list of Halloween-themed activities in Billings and surrounding communites:

Friday, Oct. 30

HRDC'S Third Annual Halloween Party: 10 a.m.-1 p.m. HRDC, 7 N. 31st. For groups larger than 10, call 247-4771.

Trick or Treating Downtown. Noon-5 p.m. Downtown Billings. Maps of participating businesses at 2815 Second Ave. N. 294-5060; Mikaly@downtownbillings.com.

Raising Our Spirits: Tales and Tour of the Haunted Museum. 7:30-10:30 p.m. Western Heritage Center, 2822 Montana Ave. Evidence from WHC, other haunted Billings locations. Camera, recording equipment allowed. Wear costume to enter prize raffle. Cocktail reception follows. $50. 256-6809.

ELSEWHERE

Glendive: Monster Bash. 8 p.m.-midnight. Hungry Joe Hall. Ages 13 and older. Costume contest, dance, DJ Jason Ryan. $5. Hell Creek Music & More.

Laurel: Scream at the Stream. Riverside Park. Children's activities at Rod & Gun Club, 5 p.m. Haunted house 6 p.m.-midnight. Children's Haunted Halloween Costume Ball, 8 p.m.

Miles City: Fall Festival continues. Haunted house at Elks Lodge, 8-11 p.m. Carnival at Kinsey School, 6:30-8:30 p.m. SADD carnival at Custer County District High School, 6 p.m. "The Creature Creeps," at Veterans Affairs Facility auditorium, 7 p.m.

Saturday, Oct. 31

Halloween run/walk: Registration, 8 a.m. 3-mile run/walk, 9 a.m. Granite Fitness, 3838 Ave. B. Awards for top finishers and best costumes. $15 by Oct. 27; $20 day of event. Benefits 24th Street Runners (West High School students). 281-5700.

Spooktacular: 9 a.m. Harley-Davidson/Buell, Hi Mountain Recreation, 6900 S. Frontage Road. Costume contest registration, 1 p.m. 252-2888; beartoothharley.com.

Corgi costume party: 11 a.m.-2 p.m. AnimaLodge. Refreshments, prizes. Costume parade, 12:30 p.m. Bring chair. Free for members. Membership, $10. 208-5688.

Mall-O-Ween: Noon. Rimrock Mall, 300 S. 24th St. W. Activities for kids. Trick-or-treating, 6 p.m.

Boo at the Zoo: 1-6 p.m. ZooMontana, 2100 S. Shiloh Road. Kooky Treat Trail, crafts, games, cookie decorating. Free for children in costume, members. $6, adult nonmembers. 652-8100.

Healthy Halloween party: Billings Family YMCA, 402 N. 32nd St. Preschool costume parade, 3:30 p.m. School-aged, 4 p.m. Games, contests, activities for youth up to age 12 and their families. Free. 248-1685.

Treatapalooza - Treasure Island, Faith Chapel, 517 Shiloh Road. 6:30 to 8:30 p.m. Fun for the whole family with treats, costumes, refreshments, maze, treasure hunt. Tt 6:30 p..m. - 8:30 p.m. Everyone Welcome. 655-1525.

Rocky Mountain College Residence Hall Trick-or-Treat Event: 4-7 p.m. Students in all residence halls with treats will have signs on their doors. 657-1051.

"Dracula": 7:30 p.m. Alberta Bair Theater, 2801 Third Ave. N. Dress in costume. $10.

Raising Our Spirits: Tales and Tour of the Haunted Museum. 7:30-10:30 p.m. Western Heritage Center, 2822 Montana Ave. Evidence from WHC, other haunted Billings locations. Camera, recording equipment allowed. Wear costume to enter prize raffle. Cocktail reception follows. $50. 256-6809.

Trick or Treat at Bonaventure Senior Living: From dark until 8 p.m. Bonaventure Senior Living, 4001 Bell Ave. Trick or treat in reception area and residents' apartments. Hot cocoa, apple cider, cookies and Halloween music offered. 652-9303.

Third Annual Zombie Walk: 5 p.m. Meet at Courthouse Lawn, 4 p.m. All-ages. Prepare makeup before arrival. After-party at old Casey's location, 222 N. 28th St., 8 p.m. Music by Kancerus, Assnyne, Bagworm, All For None; suspension performances by Off the Hook. All ages until 8 p.m., then 21 and older only. $5; $3 in costume.

ELSEWHERE

Laurel: Scream at the Stream. Riverside Park. Haunted house.

Lavina: Lavina Haunted House. 6 p.m. Mercantile Main Street. Free. 406-636-4212.

Miles City: Fall Festival continues. Haunted house at Elks Lodge, 7-11 p.m. "The Creature Creeps," at Veterans Affairs Facility auditorium, 5 p.m.

Sheridan, Wyo.: Late Nite Shenanigans Halloween Special 11 p.m. Wyo Theater. $15. 307-672-9084; wyotheater.com.