Halloween in Lynn: events, trunk-or-treats and trick-or-treat hours
A compact guide to confirmed Halloween activities in Lynn this year: trunk-or-treats, a pet costume contest, a museum night and the Dungeon Rock story.
Halloween in Lynn this year brings a trunk-or-treat at Manning Field, a pet costume contest in Central Square and an evening at the Grand Army of the Republic Hall & Museum, all with confirmed dates and times below.
You will also find the Dungeon Rock pirate legend and where things stand on citywide trick-or-treat hours.
Quick facts
- Manning Field Trunk or Treat: Saturday, October 31, 2026, 1:30–3:30 PM at Manning Field, 76 Locust St
- Centerboard Community Trunk or Treat: Friday, October 30, 2026, 4:00–6:00 PM; no street address published yet
- Downtown Lynn Pet Costume Contest: Saturday, October 31, 2026, 11:00 AM–1:00 PM in Central Square
- Grand Army of the Republic Hall & Museum: ticketed ‘Night at the Grand Army of the Republic Hall & Museum’ on Friday, October 30, 2026
- Citywide trick-or-treat hours: not announced as of October 11, 2026
- Dungeon Rock: open Sunday through Thursday, 8 a.m. to 2 p.m., through Oct. 31, so the last chance before Halloween is Thursday, Oct. 29
Lynn Parks & Recreation: Manning Field Trunk or Treat
Lynn Parks & Recreation plans a 2nd Annual Trunk or Treat at Manning Field on Saturday, October 31, 2026, from 1:30–3:30 PM.
It takes place at Manning Field, 76 Locust St, as a family-friendly alternative to door-to-door trick-or-treating.
Centerboard Community Trunk or Treat
Centerboard’s Community Sector is running a Community Trunk or Treat in Lynn on Friday, October 30, 2026, from 4:00–6:00 PM.
Centerboard has not published a street address for it yet; check its announcement before you go.
Downtown Lynn Pet Costume Contest
Downtown Lynn Main Streets is hosting a Downtown Lynn Pet Costume Contest on Saturday, October 31, 2026, from 11:00 AM–1:00 PM in Central Square.
It is a daytime event for pets and their people, run by the downtown business organization.
Night at the Grand Army of the Republic Hall & Museum
The Grand Army of the Republic Hall & Museum has a ticketed program called ‘Night at the Grand Army of the Republic Hall & Museum’ scheduled for Friday, October 30, 2026.
It is a paid, after-hours program; check the museum for tickets.
Dungeon Rock and the pirate legend
Dungeon Rock, part of Lynn Woods, is tied to a long-running local story about Captain Thomas (Tom) Veale and buried pirate treasure dating to the 17th and 18th centuries.
The tunnel Hiram Marble dug by hand is open Sunday through Thursday, 8 a.m. to 2 p.m., through Oct. 31, according to the Friends of Lynn Woods. Halloween falls on a Saturday, so the last chance to see it this season is Thursday, Oct. 29. The Dungeon Rock guide covers the story and the walk in.
Before you go
As of October 11, 2026, the city had not announced citywide trick-or-treat hours.
If you plan to attend an organized event, use the hosting organization’s page for final details; for Dungeon Rock, plan around its Sunday-through-Thursday hours.
For a broader view of other local happenings, check the Lynn events calendar.
Frequently asked questions
When and where is the Manning Field Trunk or Treat in Lynn?
It is on Saturday, October 31, 2026, from 1:30–3:30 PM at Manning Field, 76 Locust St. Lynn Parks & Recreation is running its 2nd Annual Trunk or Treat as a family-friendly alternative to door-to-door trick-or-treating.
What are the trick-or-treat hours in Lynn?
The city had not announced citywide trick-or-treat hours as of October 11, 2026. Check the hosting organization’s page for any organized event you plan to attend.
Is there a Halloween event for pets in Lynn?
Yes, the Downtown Lynn Pet Costume Contest is on Saturday, October 31, 2026, from 11:00 AM–1:00 PM in Central Square. Downtown Lynn Main Streets is hosting it.
Where is the Centerboard Community Trunk or Treat?
Centerboard has not published a street address yet. The event is on Friday, October 30, 2026, from 4:00–6:00 PM, so check Centerboard’s announcement before you go.
Is the Grand Army of the Republic Hall & Museum Halloween event free?
No, it is a paid, after-hours program scheduled for Friday, October 30, 2026. Check with the museum for tickets.
Is Dungeon Rock open on Halloween?
No. Halloween falls on a Saturday this year, and Dungeon Rock is open Sunday through Thursday, 8 a.m. to 2 p.m., through Oct. 31, according to the Friends of Lynn Woods. The last day to see it this season is Thursday, Oct. 29.
Sources: Lynn Community TV (event listing for Lynn Parks & Rec’s 2nd Annual Trunk or Treat); Lynn Community TV (events month listing); Lynn Community TV (events week listing); Visit Lynn Woods; Lynn Museum & Historical Society; Lynn Community TV (Manning Field venue & event page).
