HomeMassachusettsWeymouth › Cavern Rock Park

Cavern Rock Park

4.3 ★★★★☆ 49 Google reviews · Running trail in Weymouth, Massachusetts · Posted hours

Runner's snapshot

Surface
Natural surface
Loop distance
Not reported
Shape
Loop
Shade
Not reported
Access
Posted hours

Confirmed from Cavern Rock Park'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.

Natural surfaceLoopDog-friendlyHillyTrailhead parkingMile markersQuiet

What runners say about Cavern Rock Park

Pulled from public reviews of this trail (49 of them) — the things people bring up again and again, in their own words. Nothing here is written by us.

🪧 well-marked 3 mentions

“Super pretty area, I thought the trail would be longer, but it’s well marked and felt safe and I would consider an easy walk.”

🌾 quiet & peaceful 3 mentions

“This park is perfect for you if you enjoy hiking uphill, geocaching, or climbing boulders in a very quiet park.”

Wonderful hidden ramble that makes you feel miles away from suburbia, not right in the middle of it. Old trees, rocky hills, and winding trails. Nice spot to enjoy unspoiled nature and take your dogs for a walk.

★★★★★ — K , Jul 2023

A hidden gem nestled in a neighborhood. Nice trails, lots of green and quiet.

★★★★★ — John , May 2023

Cavern Rock Park is a nice woodland trail with a good variety of incline/rocks in a pretty clear, well-marked loop. I did the main loop twice fairly easily. I saw dogs on the trail and elementary aged kids, so definitely doable for them, but not for strollers.

★★★★☆ — Katie , Oct 2024

Lovely forested hillside tucked in between neighborhoods. There are lots of ledge outcrops and glacial erratics in a forest dominated by red, white and chestnut oak. White pine and hemlock, too. Lots of ups and downs to keep the heart pumping. The loop took me just under 30 minutes on my first time.

★★★★☆ — Mia , Nov 2024

Excerpts from public Google reviews. Read all 49 reviews →

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.

🔁 Loop trail 4 mentions

“Cavern Rock Park is a nice woodland trail with a good variety of incline/rocks in a pretty clear, well-marked loop.”

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🅿️ Trailhead parking 4 mentions

“Cavern Rock Park only has 2 parking spots at the trailhead.”

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🐕 Dog-friendly 4 mentions

“I saw dogs on the trail and elementary aged kids, so definitely doable for them, but not for strollers.”

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⛰️ Hills / elevation 3 mentions

“Cavern Rock Park is a nice woodland trail with a good variety of incline/rocks in a pretty clear, well-marked loop.”

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📏 Mile markers 3 mentions

“Super pretty area, I thought the trail would be longer, but it’s well marked and felt safe and I would consider an easy walk.”

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🤫 Quiet / uncrowded 3 mentions

“This park is perfect for you if you enjoy hiking uphill, geocaching, or climbing boulders in a very quiet park.”

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🌲 Natural surface / singletrack 2 mentions

“It’s well marked and small enough to explore the “caverns” which appear to be large rocky walls.”

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Plan your run at Cavern Rock Park

The practical stuff

  • AccessPosted hours — posted hours below; park gates sometimes close earlier than the listing says
  • SurfaceNatural surface — easiest on the joints and the most fun, but expect roots, rocks and mud after rain
  • 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.
  • At the trailheadparking — reported by runners
  • DogsWelcome, per reviewers. Leash rules vary by park — the trailhead sign is the authority.
  • Websiteweymouth.ma.us
  • Phone(781) 340-5012

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 Cavern Rock Park

175 Westminster Rd, Weymouth, MA 02189

Get directions

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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.