Lower and Upper Peirce Reservoir Running Route: Singapore’s Quiet Central Haven

Every local runner knows MacRitchie, and on weekend mornings, you will certainly feel its popularity. For those who crave the dense jungle canopies and rolling elevations of the Central Catchment Nature Reserve without dodging crowds, hikers, or mountain bikes, the Lower and Upper Peirce Reservoir corridor is Singapore’s best-kept running secret.

Tucked away off Old Upper Thomson Road, this peaceful twin-reservoir network weaves together timber boardwalks, quiet undulating access roads, and heritage Grand Prix racing straights. Whether you are after a restorative 3 km nature boardwalk recovery jog or grinding out a hilly 10 km to 14 km road-and-trail circuit, the Peirce reservoirs offer deep forest serenity, shaded climbs, and unobstructed open-water vistas.

Route Overview & Trail Specs

Route Breakdown: Distances, Key Landmarks & Elevation

The beauty of the Peirce corridor is its duality: Lower Peirce offers tranquil, flat nature boardwalks hugging the water, while Upper Peirce delivers rolling road climbs through secondary jungle that challenge your aerobic engine.

1. Lower Peirce Trail & Boardwalk Loop (~2 km – 3.5 km)

• Start/Finish: Lower Peirce Reservoir Carpark (along Old Upper Thomson Road, near Casuarina Road)

• Terrain: Flat, low-impact wooden boardwalks weaving through mature secondary forest and freshwater swamp habitats.

• The Experience: The ultimate peaceful shakeout. This 900-metre boardwalk traces the reservoir edge, offering close-up encounters with rubber trees, oil palms, and native birdlife. It is gentle on tired legs and provides reflective water panoramas framed by towering jungle trees.

2. The Upper Peirce Reservoir Park Out-and-Back (~6 km – 8 km)

• Start: Junction of Old Upper Thomson Road & Upper Peirce Reservoir Road

• Route: Run the winding 3-kilometre access road directly into Upper Peirce Reservoir Park and back.

• Key Landmarks:

  • The Winding Forest Road: A single-lane vehicular road flanked by dense rainforest canopies, with light traffic and frequent sightings of wild boars and long-tailed macaques.

  • Upper Peirce Dam & Park Crest: The road terminates at a quiet, manicured park lawn directly overlooking the sprawling reservoir basin and forested islands.

• The Experience: A classic hill-conditioning session. The access road rolls constantly, forcing your calves and glutes to engage on steady climbs before rewarding you with cool breezes over the dam.

3. The Grand Peirce 10K–14K Road & Trail Circuit

• Route: Lower Peirce Carpark → Old Upper Thomson Road (incorporating the historic Singapore Grand Prix "Snakes" and "Devil's Bend" curves) → Upper Peirce Reservoir Road → Dam Crest → return via Casuarina Road.

• The Experience: The gold standard for marathoners building strength. The combination of quiet asphalt rolling hills and dappled canopy shade makes it one of the most effective, uninterrupted road-training stretches in central Singapore.

Footwear Guide: Picks from Athlo.sg Shoe Lab & iRun Singapore

The Peirce running routes transition between smooth asphalt roadways, damp wooden boardwalks, and fine gravel verges. Because the route features continuous undulating hills and curving descents, stability and responsive cushioning are key.

Footwear analysts at Athlo.sg Shoe Lab and technical running specialists at iRun Singapore recommend these dedicated picks:

Daily Mileage & Rolling Hill Absorbers (Cushion & Impact Protection)

• ASICS Novablast Series / Gel-Nimbus Series: The high stack of FF BLAST+ ECO foam cushions repetitive downhill braking forces along the undulating slopes of Upper Peirce Reservoir Road, protecting your knees from eccentric muscle strain.

• New Balance Fresh Foam X 1080: Soft, rockered, and wide-based, providing stable, forgiving impact relief on the rolling asphalt loops.

Uphill Cadence & Responsive Turnover (Plated / Speed Work)

• Saucony Endorphin Speed Series: Featuring a flexible nylon plate and ultra-responsive PWRRUN PB foam, this model is iRun’s top pick for powering up the rolling climbs of Old Upper Thomson Road without feeling weighed down.

• Puma Velocity Nitro / Deviate Nitro Series: Armed with class-leading PUMAGRIP rubber, this shoe provides sure-footed traction on damp boardwalks, mossy roadside gutters, and wet asphalt after tropical showers.

Road-to-Trail Hybrids (For Mixed Boardwalk & Dirt Detours)

• Nike Pegasus Trail / Hoka Challenger ATR: If your route weaves off the asphalt road onto the unpaved nature trails or damp wooden boardwalks around Lower Peirce, a hybrid shoe gives you reassuring bite without feeling harsh on tarmac.

Essential Runner’s Tips: Safety, Timing & Etiquette

1. Wildlife Caution (Macaques & Boars): The Peirce reservoir area is an active biodiversity corridor. Long-tailed macaques frequently lounge on the road barriers, and wild boars forage along the roadside grass. Never carry food, plastic bags, or open drink bottles in your hand. Stash your energy gels and phone in a zipped running belt or vest. Run past animals with a steady, confident stride without making prolonged direct eye contact.

2. Traffic & Road Awareness: While Upper Peirce Reservoir Road and Old Upper Thomson Road see minimal traffic, they are active public roads shared with cyclists and park maintenance vehicles. Run facing oncoming traffic on blind corners, wear bright or high-visibility apparel under the shaded tree canopy, and avoid noise-isolating headphones.

3. Carry Adequate Hydration: The long climb into Upper Peirce is fully enclosed by jungle, and humidity levels remain high throughout the morning. Since there are no convenience stores or drink vending machines along the route, bring a handheld bottle or hydration vest carrying at least 500 ml to 1 litre of fluids.

4. Best Running Windows:

   • Dawn (6:30 AM – 8:00 AM): The best window for fresh forest air, cool breezes off the water, and active bird calls.

   • Late Afternoon (5:00 PM – 6:45 PM): Pleasant canopy shade, but aim to finish before dusk; there is minimal artificial lighting once inside the nature reserve.

5. Post-Run Refuel: After completing your workout, head straight down to the Casuarina Road food stretch (just outside Lower Peirce) for famous roti prata, teh tarik, and iced lime juice, or jog 1 km south along Upper Thomson Road for specialty cafes and bakeries.

Getting There & Transit Logistics

• By MRT:

  • Mayflower MRT (TE6): Approximately 800 metres on foot from Exit 4 along Ang Mo Kio Ave 1 / Old Upper Thomson Road to the Lower Peirce entrance.

  • Springleaf MRT (TE4): Around 1.2 km north along Upper Thomson Road, serving as a great warm-up jog into the northern entry of Old Upper Thomson Road.

• By Bus: Services 163, 167, 169, 855, and 980 stop along Upper Thomson Road near the Casuarina Road junction (Aft Casuarina Rd / Bef Meadows @ Peirce).

• By Car: Dedicated parking is available at Lower Peirce Reservoir Park Carpark (along Old Upper Thomson Road) or the Upper Peirce Reservoir Park Carpark (at the very end of Upper Peirce Reservoir Road). Spaces fill up quickly on weekend mornings by 7:15 AM.

Run it with a crew

Quiet reservoir roads are ideal for a long-run group. Find a Central Catchment crew on ATHLO+ and share the hills.