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United States
New Jersey
Sussex County

Jefferson Lake – Sussex Branch Trail loop from Mount Olive

Routes
Running trails & routes
United States
New Jersey
Sussex County

Jefferson Lake – Sussex Branch Trail loop from Mount Olive

Moderate

4.8

(5854)

10,324

runners

Jefferson Lake – Sussex Branch Trail loop from Mount Olive

00:58

7.78km

90m

Running

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: April 7, 2026

Waypoints

A

Start point

Parking

Get Directions

1

728 m

Jefferson Lake

Highlight • Lake

This is a beautiful lake. It is a very pleasant spot for a hike.

Tip by

2

1.98 km

The Sussex Branch Trail is a 21-mile-long trail that runs from Branchville to Byram. This section of the trail runs through Allamuchy State Park and is mostly flat. The trail passes through some beautiful woodlands and several lakes.

Tip by

3

3.15 km

Sussex Branch Trail

Highlight (Segment) • Trail

The Sussex Branch Trail is unpaved and traverses roughly 20 miles through farmland, forest and towns in Sussex County. The trail goes through many quiet areas and is pretty flat.

Tip by

B

7.78 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

4.65 km

3.01 km

< 100 m

Surfaces

6.33 km

1.42 km

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

Powered by Foreca

Today

Wednesday 1 July

34°C

20°C

75 %

Additional weather tips

Max wind speed: 13.0 km/h

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Description

For a refreshing and accessible jog through varied New Jersey scenery, the Jefferson Lake – Sussex Branch Trail loop from Mount Olive stands out. This moderate 4.8-mile (7.8 km) loop, with its gentle 292 feet (89 metres) of elevation gain, can be completed in about 58 minutes, making it an ideal choice for anyone seeking a scenic and manageable running route.

What to expect on Jefferson Lake – Sussex Branch Trail loop from Mount Olive

As you jog this loop, you'll experience a diverse landscape. Much of the route follows the Sussex Branch Trail, a former railroad corridor, which means you can expect a mostly flat and wide path, perfect for a steady pace. You'll pass through peaceful forests and open fields, alongside streams, and enjoy serene views as the trail hugs the shore of Jefferson Lake. While generally easy, be aware that the unpaved surface can vary from dirt and grass to cinder, and some sections might be rockier or even damp, especially after rain. This trail is well-suited for joggers of all levels, and its broad sections are even accessible for groups.

Planning your visit

The Jefferson Lake – Sussex Branch Trail loop is a great option for a morning or afternoon outing. The trail is known for its accessibility, particularly the well-maintained sections within Allamuchy Mountain State Park and around Jefferson Lake. While specific parking details aren't provided, trailheads for the Sussex Branch Trail are generally well-marked. Consider visiting in spring or fall for comfortable temperatures and vibrant scenery, though the trail offers beauty in all seasons, including opportunities for ice fishing on Jefferson Lake in winter.

Trail details

  • Distance: 4.8 miles (7.8 km)
  • Elevation gain: 292 feet (89 metres)
  • Difficulty: moderate
  • Estimated time: 58 minutes

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