Mountain Lake, New Jersey

About Mountain Lake

Mountain Lake, NJ is a small unincorporated community located in northwestern New Jersey.

Mountain Lake holds the status of a census-designated place — a real, named community that residents call home, governed at the county level. The community covers 1.13 square miles.

📰 Mountain Lake News Today

• NJDEP lifts harmful algal bloom advisory for Mountain Lake WRNJ Radio · Jun 30
• Mountain Lake in Warren County under harmful algal bloom advisory lehighvalleylive.com · Mar 24
• People and pets are warned to stay away from this N.J. lake due to harmful algae levels NJ.com · Jun 11
• Mountain Lake in Warren County NJ remains closed due to harmful algae northjersey.com · Jun 10
• Harmful algal bloom advisory issued for Mountain Lake in Warren County WRNJ Radio · Mar 24

Live headlines via Google News — updates through the day.

What Makes Mountain Lake Unique

• An unincorporated community — no city hall of its own, which often means lower local taxes and county-managed services.
• Positioned in northwestern New Jersey, convenient to the region's corridors and crossings.
• Part of the fabric of New Jersey — one of 700 recognized communities statewide.

Why People Love It Here

• Small-town pace of life: less traffic, more community, and neighbors who wave.
• Cost of living typically runs below the big-metro average.
• Well connected: 3+ neighboring communities within 4 miles.

🎡 Fun Things to Do

• Pequest Trout Hatchery · Museum

Attractions mapped by the OpenStreetMap community.

🏞️ Parks & Outdoors in Mountain Lake

• Pequest Wildlife Management Area reviews ★

Parks mapped by the OpenStreetMap community · "reviews" opens each park's live Google reviews.

⚡ Quick Facts

🗺️ Map of Mountain Lake

🏘️ Nearby Communities