Calm waters at Marlu Lake in Thompson Park, Monmouth County, New Jersey.jpg
ForeverFlying · CC BY 4.0

Swimming River Reservoir–Marlu Lake Loop, 8 sights is a 4.7-mile loop in Thompson Park near Holmdel, NJ. The route passes Marlu Lake and Swimming River Reservoir. It is mostly level, with 56 ft of elevation gain. It scores 1/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi43 – 118 ft4.9 mi

Getting there

Trailhead: Thompson Loop 40.33986, -74.16485
Nearest town Holmdel, NJ

Directions

AMBLEWAYwww.ambleway.com

Swimming River Reservoir–Marlu Lake Loop, 8 sights

4.7 mi · ▲ 56 ft · 1 hr 36 min

Elevation 44–118 ft

Loop · Thompson Park

Trailhead: Thompson Loop · 40.33986, -74.16485

Weather Sep 5: Overcast, high 81°F / low 69° · precip 3% · wind 6 mph · sunrise 6:29 AM · sunset 7:24 PM

Parking lot at the trailhead

  1. Start on Thompson Loop, heading SE.
  2. 0.3 miPass Marlu Lake.
  3. 0.1 miSharp right onto Marlu Trail, heading SE.
  4. 0.8 miBear left onto Thompson Loop, heading SW.
  5. 100 ftTurn right onto Reservoir Trail, heading S.
  6. 1.4 miTurn left, heading N.
  7. 0.3 miTurn right onto Wanderer Trail, heading S.
  8. 50 ftPass Swimming River Reservoir.
  9. 0.4 miTurn left, heading NW.
  10. 450 ftTurn left onto Thompson/Inner Loop, heading NW.
  11. 150 ftTurn right onto Inner Loop Shortcut, heading NW.
  12. 0.2 miContinue straight onto Inner Loop, heading NW.
  13. 0.2 miBear right onto Thompson Loop, heading NW.
  14. 1 miThe loop closes back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Trail surface

25% dirt5% paved70% unspecified

Weather

OvercastTemperature 81°F69°
Precip3%Wind6 mphUV7Humidity69%
Rained 0.2″ 2 days ago (1.6″ over the last week)
Hourly temperature
85°65°
Sunrise 6:29 AM12 AM3 AM9 AM12 PM3 PMSunset 7:24 PM
Sun 72°64° 19%
Mon 80°61°
Tue 84°63°
Wed 87°65°
Thu 84°71°
Fri 76°60°

Sunset

The best sunset spot on this hike is 0.7 mi in (~16 min). Leave by 6:48 PM for the 7:24 PM sunset. Back at your car by 7:56 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • Parking lot at the trailhead

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