Red Diamond and Ridgeline Trails
Red Diamond and Ridgeline Trails
4.7
(1988)
8,173
hikers
01:56
5.90km
240m
Hiking
Embark on a moderate hiking adventure through the Horatio Colony Nature Preserve on the Red Diamond and Ridgeline Trails. This route spans 3.7 miles (5.9 km) and features an elevation gain of 797 feet (243 metres), typically taking about 1 hour and 55 minutes to complete. As you hike, you…
Last updated: April 23, 2026
Waypoints
Way Types & Surfaces
Way Types
3.86 km
1.34 km
669 m
< 100 m
Surfaces
3.15 km
2.69 km
< 100 m
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Elevation
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Friday 29 May
21°C
8°C
62 %
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This route was planned by komoot.
The full route, combining sections of both the Red Diamond and Ridgeline Trails, is approximately 5.9 km (3.7 miles) long. Based on an average hiking pace, you can expect this hike to take around 1 hour and 55 minutes to complete.
The trails offer varied and at times challenging terrain. You'll encounter uneven surfaces, numerous roots, and occasional downed trees. There are small streams that need to be forded. While some sections are flat, the Red Diamond Trail includes significant ascents, with grades up to 22% in some areas. Depending on the season, leaf litter or mud can make the path slippery, and wooden footbridges might be uneven due to frost heaves.
The Red Diamond and Ridgeline Trails are generally rated as moderate to strenuous. The varied terrain, including steep ascents and uneven surfaces, might be challenging for absolute beginners. Hikers with some experience and a good fitness level will likely find it more enjoyable.
Along the Red Diamond Trail, you'll find a scenic lookout point offering views of Keene. The preserve itself is a forested environment, providing opportunities to see wildflowers and local wildlife. The trails are also well-regarded for their clear markings, with the Red Diamond Trail featuring numbered wooden posts corresponding to points of interest.
Autumn is particularly highlighted as an excellent time to visit, as the area bursts with vibrant fall colors. While beautiful year-round, be aware that leaf litter or mud can make the trails slippery in certain seasons. Winter hiking is possible, but conditions can be challenging with snow and ice.
Yes, winter hiking on the Red Diamond and Ridgeline Trails can present additional challenges. Expect snow and ice, which can make the terrain more slippery and difficult to navigate. Proper winter hiking gear, including traction devices for your boots, is highly recommended.
Yes, the Red Diamond and Ridgeline Trails are part of a larger network within the Horatio Colony Nature Preserve. The Red Diamond Trail connects with the Ridgeline Trail, and other paths like the Black Lead Mine Trail and Slickenslide Trail, allowing for various hiking possibilities. The Ridgeline Trail also extends from Keene into Swanzey, NH, and the overall system is part of the larger Wantastiquet-Monadnock Trail.
The trails are located within the Horatio Colony Nature Preserve in Keene, New Hampshire. The road leading to the trailhead is described as steep and rocky, so be prepared for that approach. Specific parking details are usually available on local preserve websites or trail guides.
The provided information does not indicate any specific permits or entrance fees required to hike the Red Diamond and Ridgeline Trails within the Horatio Colony Nature Preserve. However, it's always a good idea to check the official preserve website for the most current regulations before your visit.
Yes, dogs are permitted on the Red Diamond and Ridgeline Trails. Please ensure your dog remains on a leash at all times to protect wildlife and ensure a pleasant experience for all trail users.