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Lake Forest Open Lands: Derwen Mawr Nature Preserve

4.9 ★★★★★ 7 Google reviews · Running trail in Lake Forest, Illinois · Posted hours

Runner's snapshot

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

Confirmed from Lake Forest Open Lands: Derwen Mawr Nature 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.

Lake Forest Open Lands: Derwen Mawr Nature Preserve — running trail in Lake Forest, IL, photo 1
Stroller / ADA

Trail conditions & character

What this trail is actually like underfoot and overhead, taken from its own listing and from reviews. Each one links to every other trail with the same character. Busy or quiet is reported as a plain fact, not a plus or a minus — a runner heading out alone at dawn often wants company on the path, and someone running intervals wants an empty one.

♿ Stroller / ADA accessible

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Plan your run at Lake Forest Open Lands: Derwen Mawr Nature 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.
  • Stroller / wheelchairReported as smooth and step-free enough for a running stroller or a chair.
  • Websitelfola.org
  • Phone(847) 234-3880
  • Social Instagram · Facebook

Hours

Monday 7 AM–7 PM
Tuesday 7 AM–7 PM
Wednesday 7 AM–7 PM
Thursday 7 AM–7 PM
Friday 7 AM–7 PM
Saturday 7 AM–7 PM
Sunday 7 AM–7 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 Lake Forest Open Lands: Derwen Mawr Nature Preserve

Golf Ln, Lake Forest, IL 60045

Get directions

Running trails near Lake Forest

Other trails within easy driving distance — useful when this one is flooded, gated, or just not the run you had in mind today.

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Forest Park

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BoardwalkLitScenic

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Lake Forest Open Lands Association

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Fort Sheridan Forest Preserve

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Shoreline forest preserve with rolling terrain & trails for hiking, biking & cross-country skiing.

2.9 miles away

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Nearby towns

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.