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Community Calendar

Registration Required: Greg Hildebrandt Art Exhibit Opening Reception
 6:00pm - 8:00pm
Lake Hopatcong Foundation
Thursday, June 19, 2025
LHF Events
Greg Hildebrandt: A Special Art Exhibit
 4:00pm - 7:00pm
Lake Hopatcong Foundation
Friday, June 20, 2025
LHF Events
Boating Safety Course & Exam
 8:00am - 5:00pm
Mt. Arlington Civic Center
Saturday, June 21, 2025
Community Events
Greg Hildebrandt: A Special Art Exhibit
 10:00am - 2:00pm
Lake Hopatcong Foundation
Saturday, June 21, 2025
LHF Events
Floydian Trip
 7:30pm - 9:30pm
Citizens Bank Theater
Saturday, June 21, 2025
Community Events
Greg Hildebrandt: A Special Art Exhibit
 12:00pm - 4:00pm
Lake Hopatcong Foundation
Sunday, June 22, 2025
LHF Events
Rowing on Lake Hopatcong!
 (all day)
Lee's Marina
Monday, June 23, 2025
Community Events
Greg Hildebrandt: A Special Art Exhibit
 10:00am - 4:00pm
Lake Hopatcong Foundation
Monday, June 23, 2025
LHF Events
Community Program: Plants and Pollinators, an Invasive Species and Bee Abode Workshop
 6:30pm - 8:00pm
Lake Hopatcong Foundation
Thursday, June 26, 2025
LHF Events
Lake Hopatcong Fireworks
 9:30pm - 10:30pm
Lake Hopatcong
Friday, June 27, 2025
Community Events
Roxbury Viewing Location for Veterans Cruise on Lake Hopatcong
 12:15pm - 1:00pm
Shore Hills Country Club Beach Dock
Saturday, June 28, 2025
Community Events
EarthShare New Jersey Blues 2025
 12:00pm - 5:00pm
Cooper's Riverview
Sunday, June 29, 2025
Community Events
NJ Boat Safety Exam for the Online Course
 5:00pm - 6:00pm
Mt. Arlington Fire Dept
Monday, June 30, 2025
Community Events
NJ Boat Safety Class & Exam
 6:00pm -
Wednesday, July 2, 2025 at 9:30pm
Mt. Arlington Fire Dept
Monday, June 30, 2025
Community Events
Summer Eco Cruises on Lake Hopatcong
11:00am - 12:30pm
Hopatcong State Park
Monday, July 7, 2025
LHF Events
NJ Boat Regulation Commission Meeting
10:00am - 11:00am
Lake Hopatcong Yacht Club
Wednesday, July 9, 2025
Community Events
The Morris Canal and the Creation of Lake Hopatcong
 6:00pm - 8:30pm
Lake Hopatcong Elks Lodge #782
Thursday, July 10, 2025
Community Events
J-Town Jamboree
 11:00am - 7:00pm
Jefferson Township High School fields
Saturday, July 12, 2025
Community Events
Summer Eco Cruises on Lake Hopatcong
11:00am - 12:30pm
Hopatcong State Park
Monday, July 14, 2025
LHF Events
Lake Hopatcong Commission Meeting
 7:00pm - 8:00pm
Lake Hopatcong Foundation
Monday, July 14, 2025
Community Events
LHF Gala & Auction
 6:00pm - 9:30pm
Stone Water
Thursday, July 17, 2025
LHF Events
NJ Boat Safety Class & Exam
 9:00am - 5:30pm
Mt. Arlington Fire Dept
Saturday, July 19, 2025
Community Events
Summer Eco Cruises on Lake Hopatcong
11:00am - 12:30pm
Hopatcong State Park
Monday, July 21, 2025
LHF Events
NJ Boat Safety Class & Exam
 6:00pm -
Thursday, July 24, 2025 at 9:30pm
Mt. Arlington Fire Dept
Tuesday, July 22, 2025
Community Events
Summer Eco Cruises on Lake Hopatcong
11:00am - 12:30pm
Hopatcong State Park
Monday, July 28, 2025
LHF Events
NJ Boat Safety Class & Exam
 6:00pm -
Wednesday, July 30, 2025 at 9:30pm
Mt. Arlington Fire Dept
Monday, July 28, 2025
Community Events
Summer Eco Cruises on Lake Hopatcong
11:00am - 12:30pm
Hopatcong State Park
Monday, August 4, 2025
LHF Events
Summer Eco Cruises on Lake Hopatcong
11:00am - 12:30pm
Hopatcong State Park
Monday, August 11, 2025
LHF Events
Lake Hopatcong Commission Meeting
 7:00pm - 8:00pm
Lake Hopatcong Foundation
Monday, August 11, 2025
Community Events
Summer Eco Cruises on Lake Hopatcong
11:00am - 12:30pm
Hopatcong State Park
Monday, August 18, 2025
LHF Events
Lake Hopatcong in the 1970s
 6:00pm - 8:30pm
The Palace Theatre
Wednesday, August 20, 2025
Community Events
Summer Eco Cruises on Lake Hopatcong
11:00am - 12:30pm
Hopatcong State Park
Monday, August 25, 2025
LHF Events
NJ Boat Safety Class & Exam
 6:00pm -
Thursday, August 28, 2025 at 9:30pm
Mt. Arlington Fire Dept
Monday, August 25, 2025
Community Events
Lake Hopatcong Commission Meeting
 7:00pm - 8:00pm
Lake Hopatcong Foundation
Monday, September 8, 2025
Community Events
2nd Annual Hopatcong Flag Day Parade & Festival
 3:00pm - 9:00pm
Hopatcong Firehouse #3 and surrounding area
Saturday, September 27, 2025
Community Events
Lake Hopatcong Commission Meeting
 7:00pm - 8:00pm
Lake Hopatcong Foundation
Monday, October 13, 2025
Community Events
New Jersey Free Freshwater Fishing Day
(all day)
New Jersey
Saturday, October 18, 2025
Community Events
Lake Hopatcong Commission Meeting
 7:00pm - 8:00pm
Lake Hopatcong Foundation
Monday, November 10, 2025
Community Events
Lake Hopatcong Commission Meeting
 7:00pm - 8:00pm
Lake Hopatcong Foundation
Monday, December 8, 2025
Community Events

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