Putnam Lake – Putnam Reservoir Dam loop from Cos Cob

If you're looking for a challenging touring cycling route that packs a punch, the Putnam Lake – Putnam Reservoir Dam loop from Cos Cob delivers. This difficult 28.9-mile (46.5 km) ride features 1632 feet (498 metres) of elevation gain, taking roughly 2 hours and 59 minutes. It's a solid choice for experienced cyclists seeking a demanding day out with varied scenery and a good workout.

What to expect on Putnam Lake – Putnam Reservoir Dam loop from Cos Cob

Expect a ride that blends road cycling with scenic views, particularly as you approach Putnam Lake. The route from Cos Cob will likely take you through varied terrain, with some sections offering glimpses of the Mianus River and waterfront roads before heading inland. The significant elevation gain means you'll encounter steady climbs, rewarding you with vistas over the landscape. This route is best suited for cyclists with good fitness who are comfortable with challenging ascents and descents, and who appreciate a mix of road and potentially multi-use trail sections.

Planning your visit

While specific parking details for this exact loop aren't provided, starting from Cos Cob offers access to various local amenities. Given the route's length and difficulty, ensure your bike is in good condition and carry ample water and snacks. The best time to tackle this loop is during fair weather, avoiding extreme heat or icy conditions, as the elevation changes can be demanding. Always check local regulations regarding reservoir access, as many in Putnam County are part of New York City's water supply system.

Trail details

• Distance: 28.9 miles (46.5 km)
• Elevation gain: 1632 feet (498 metres)
• Difficulty: difficult
• Estimated time: 2 hours and 59 minutes