Halloween events in Alpharetta 2026

Last checked 2026-10-04. Dates, times and prices come from each organizer’s own page, linked below. Where only the Alpharetta Convention & Visitors Bureau lists an event, we say so.

Looking for trick-or-treat hours on Halloween night? See our trick-or-treat hours guide. It covers Boo Bash, the trunk-or-treats at churches in Johns Creek, Roswell and Milton, and the library’s Halloween story times. This page adds the rest of the season: Avalon’s Halloween events, the nature center hikes, adult parties, the Cumming fair and more library programs.

Halloween is Saturday, Oct. 31, 2026.

Who to call

• Boo Bash and city events: City of Alpharetta special events, 678-297-6102
• Halloween Hikes tickets: Chattahoochee Nature Center, 770-992-2055, ext. 238 (after 5 p.m. on event days, for walk-up times)
• Police, non-emergency: Alpharetta Department of Public Safety, 678-297-6300
• Emergency: 911

In Alpharetta

Symphony at Sunset: Halloween Spooktacular, Sunday, Oct. 11, 6 p.m. The Atlanta Symphony Orchestra plays “Danse macabre,” “Night on Bald Mountain” and music from the Harry Potter and E.T. films at Ameris Bank Amphitheatre, 2200 Encore Parkway. Gates open at 4:30 p.m., with face painting, an instrument station, photo backdrops and trick-or-treat surprises. Come in costume. Tickets start at $18.30, according to the orchestra’s event page.

Boo Bash, Saturday, Oct. 17, 3 to 7 p.m. The city’s free festival at The Grove behind the Alpharetta Community Center, 175 Roswell St. Scarecrow Harvest winners are announced there. Details are in our trick-or-treat guide and on the city’s Boo Bash page.

Fall Fest at North Point Mall, Saturday, Oct. 17, 1 to 4 p.m. Roaming characters, balloon twisters, face painting and a kids’ costume contest for ages 1 to 6 and 7 to 13, with prizes, on the lower level near Macy’s, 1000 North Point Circle. This one is listed by the visitors bureau; the mall’s own site did not show it as of Oct. 4.

Once Upon a Not-So-Spooky Maze, North Point Mall. A walk-through storybook maze on the second floor, next to FairyTale Village, sold in timed tickets every 15 minutes. Its holiday version, the Merry Maze, opens Nov. 13. Details: Once Upon a Maze.

Trick or Treating at Avalon, Saturday, Oct. 24, 10 a.m. to noon. Start at Concierge for a map of candy stops along The Boulevard and The Plaza, 400 Avalon Blvd. Avalon lists kids’ activities, a Chick-fil-A pop-up selling breakfast and lunch, and a Halloween dance show by Rhythm & Shoes at noon. Rain or shine. Source: Avalon’s event page.

Halloween for adults

Trick or Drink at Avalon, Friday, Oct. 30, 6 to 8 p.m. A costume night on The Plaza with specialty cocktails and dancing (Avalon’s event page). The visitors bureau describes it as adults-only with a live DJ and free admission.

A Hamilton Halloween: Mystery of Room 231, Friday, Oct. 30, 6 to 10 p.m. The Hamilton Alpharetta, 35 Milton Ave., holds an adults-only night: cocktail hour from 6 to 7 p.m., then a hotel-wide mystery game, plus a costume contest. Tickets on the hotel’s Eventbrite page.

Nearby: Roswell, Johns Creek and Cumming

Halloween Hikes, Oct. 23-25, Chattahoochee Nature Center, Roswell. The 41st year of the nature center’s hikes, at 9135 Willeo Road: 6 to 10 p.m. Friday and Saturday, and 5 to 9 p.m. Sunday. Families follow a half-mile self-guided trail, trick-or-treating at houses run by the center’s woodland characters. The Haunted Quest, a mile-and-a-half scavenger hunt, is recommended for ages 12 and up. There are also games, crafts, food trucks and music. Advance tickets are $25 ($20 in the member presale from Oct. 1), and $30 on the day. Public sales open Oct. 8. Source: Halloween Hikes page.

Cumming Country Fair & Festival, Oct. 8-18, Cumming Fairgrounds. The 31st fair, with rides, fair food, concerts and ground acts (city of Cumming listing).

Howl-oween, Saturday, Oct. 24, 4 to 8 p.m., Cumming City Center, 423 Canton Road. Pet-friendly trick-or-treating at decorated businesses, adoptable pets, vendors and a storefront decorating contest (city of Cumming listing).

At the library

New Halloween programs, beyond those in our trick-or-treat guide:

• Spill the Tea! for adults, 4 to 6 p.m. Monday, Oct. 19, Alpharetta Branch, 10 Park Plaza. This month’s teas celebrate Halloween, candy apples and fall (details).
• Murder Mystery Party for ages 13 and up, 4 to 5:30 p.m. Wednesday, Oct. 21, Northeast/Spruill Oaks Branch, 9560 Spruill Road, Johns Creek (details).

At a glance

The downtown Scarecrow Harvest stays up through Nov. 1.

Frequently asked questions

What Halloween events are in Alpharetta in 2026? The city’s free Boo Bash is Saturday, Oct. 17, at Wills Park. Avalon has trick-or-treating Saturday, Oct. 24, and an adult costume party Friday, Oct. 30, and The Hamilton Alpharetta holds an adults-only mystery night Oct. 30.

When are Halloween Hikes at the Chattahoochee Nature Center? Friday and Saturday, Oct. 23-24, from 6 to 10 p.m., and Sunday, Oct. 25, from 5 to 9 p.m., at 9135 Willeo Road in Roswell. Advance tickets go on sale Oct. 8.

Is there trick-or-treating at Avalon in 2026? Yes, 10 a.m. to noon Saturday, Oct. 24. Pick up a map of candy stops at Concierge; the event is rain or shine.

Are there adult Halloween parties in Alpharetta? Avalon’s Trick or Drink is 6 to 8 p.m. Friday, Oct. 30, on The Plaza, and The Hamilton Alpharetta’s Mystery of Room 231 is 6 to 10 p.m. the same night for adults only.

Is there a haunted house in Alpharetta? We found no haunted house in Alpharetta with 2026 dates posted by its organizer. Chattahoochee Nature Center’s Haunted Quest, for ages 12 and up, is the nearest spooky night walk we could confirm.

What this means for you

• The busiest weekend is Oct. 23-25: Halloween Hikes, Avalon trick-or-treating, Howl-oween and most church trunk-or-treats.
• Halloween Hikes tickets go on sale Oct. 8 and are timed; plan to arrive 30 minutes early.
• Halloween night itself, Oct. 31, has no city-set trick-or-treat hours.

Related: trick-or-treat hours, fall festivals and pumpkin patches, things to do this month, Avalon and kids’ activities.