HomeNew HampshireKeene › Red Diamond Trailhead @ Horatio Colony Preserve

Red Diamond Trailhead @ Horatio Colony Preserve

4.6 ★★★★★ 7 Google reviews · Running trail in Keene, New Hampshire · Posted hours

Runner's snapshot

Surface
Not reported
Distance
Not reported
Shape
Not reported
Shade
Not reported
Access
Posted hours

Confirmed from Red Diamond Trailhead @ Horatio Colony Preserve's own listing, the park or land manager's website, and runner reviews. Blank cells mean we could not verify that fact — we would rather say "not reported" than invent one. There is no Easy / Moderate / Hard rating on this page on purpose: a one-word difficulty score tells you nothing about whether a trail suits your run. Surface, distance, shade and hours do.

Plan your run at Red Diamond Trailhead @ Horatio Colony Preserve

The practical stuff

  • AccessPosted hours — posted hours below; park gates sometimes close earlier than the listing says
  • DistanceNot reported. Trail systems often quote total path mileage rather than a single loop, so measure the route you actually want before you drive out.
  • ShadeNot reported. Assume some of it is exposed and carry water in summer.
  • Phone(603) 352-0460

Hours

Monday 6 AM–9 PM
Tuesday 6 AM–9 PM
Wednesday 6 AM–9 PM
Thursday 6 AM–9 PM
Friday 6 AM–9 PM
Saturday 6 AM–9 PM
Sunday 6 AM–9 PM

Posted hours for the park or trailhead. Gates and parking lots often close earlier than the trail itself, and seasonal hours change — worth a check before a pre-dawn or after-dark run.

Where to find Red Diamond Trailhead @ Horatio Colony Preserve

21 Daniels Hill Rd, Keene, NH 03431

Get directions

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Listing verified July 2026 from public records, the trail's own website and runner reviews. Trail conditions change — paths flood, gates close at dusk, and shaded woods stay muddy for days after rain. Something out of date? Report a correction. Manage this trail? Send us the details — it is free.