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Community Calendar

Lake Hopatcong / Mt. Arlington - NJSP Instructional Boat Safety Class and Exam
 8:00am - 4:30pm
Mt. Arlington Fire Department
Saturday, June 20, 2026
Community Events
Jefferson's Community Bands present a FREE Gazebo Concert
 6:30pm - 8:30pm
Jefferson Township Gazebo
Friday, June 26, 2026
Community Events
Lake Hopatcong Fireworks
 9:30pm - 10:30pm
Lake Hopatcong
Friday, June 26, 2026
Community Events
Boating Safety Course & Exam
 8:00am - 5:00pm
Mt. Arlington Civic Center
Saturday, June 27, 2026
Community Events
Lake Hopatcong Veterans Cruise
 9:00am - 11:00am
Lake Hopatcong
Saturday, June 27, 2026
Community Events
Roxbury Viewing (Cheering!) Location for Veterans Cruise on Lake Hopatcong
 12:30pm - 1:00pm
Shore Hills Country Club Beach Dock
Saturday, June 27, 2026
Community Events
June 28th Hopatcong Monthly Market
 11:00am - 3:00pm
Hopatcong DPW Lot
Sunday, June 28, 2026
Community Events
Lake Hopatcong / Mt. Arlington - NJSP Instructional Boat Safety Class and Exam
 6:00pm - 9:30pm
Mt. Arlington FD
Tuesday, June 30, 2026
Community Events
Antique & Classic Boat Society Cruise Night
 6:30pm - 8:30pm
Various Locations on Lake Hopatcong
Thursday, July 9, 2026
Community Events
Celebrate America’s 250th Birthday on Lake Hopatcong
 11:00am - 1:30pm
Various locations on Lake Hopatcong
Saturday, July 11, 2026
Community Events
Open Mic
 6:30pm - 8:30pm
Roxbury Arts Alliance Citizens Bank Theater
Monday, July 13, 2026
Community Events
Lake Hopatcong Commission Meeting
 7:00pm - 8:00pm
Lake Hopatcong Foundation
Monday, July 13, 2026
Community Events
July 26th Hopatcong Monthly Market
 11:00am - 3:00pm
Hopatcong DPW Lot
Sunday, July 26, 2026
Community Events
Lake Hopatcong Commission Meeting
 7:00pm - 8:00pm
Lake Hopatcong Foundation
Monday, August 10, 2026
Community Events
Antique & Classic Boat Society Cruise Night
 6:30pm - 8:30pm
Various Locations on Lake Hopatcong
Thursday, August 13, 2026
Community Events
Bellemont Farm Sunflower Festival
 (all day)
Bellemont Farm
Saturday, August 15, 2026
Community Events
NJ Boat Regulation Commission Meeting
12:00pm - 1:00pm
Lake Hopatcong Yacht Club
Wednesday, September 9, 2026
Community Events
Lake Hopatcong Commission Meeting
 7:00pm - 8:00pm
Lake Hopatcong Foundation
Monday, September 14, 2026
Community Events
Delaware River Watershed Forum
 (all day)
Zoom
Tuesday, September 29, 2026
Community Events
Lake Hopatcong Commission Meeting
 7:00pm - 8:00pm
Lake Hopatcong Foundation
Monday, October 12, 2026
Community Events
Hudson Farm Charity Hike for Hopatcong
 7:00am - 2:00pm
Hudson Farm
Saturday, October 17, 2026
Community Events
Lake Hopatcong Commission Meeting
 7:00pm - 8:00pm
Lake Hopatcong Foundation
Monday, November 9, 2026
Community Events
Lake Hopatcong Commission Meeting
 7:00pm - 8:00pm
Lake Hopatcong Foundation
Monday, December 14, 2026
Community Events
Lake Hopatcong Commission Meeting
 7:00pm - 8:00pm
Lake Hopatcong Foundation
Monday, January 11, 2027
Community Events

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