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Alvin B. Thomas Park

4.5 ★★★★★ 77 Google reviews · Running trail in Northglenn, Colorado · Posted hours

Runner's snapshot

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

Confirmed from Alvin B. Thomas 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 surfaceLit at nightRestroomsWaterQuiet

What runners say about Alvin B. Thomas Park

Pulled from public reviews of this trail (77 of them) — the things people bring up again and again, in their own words. Nothing here is written by us.

🌾 quiet & peaceful 4 mentions

“Quiet Little Hidden Park suitable for ages 5+ due to having to climb a tall ladder to reach any slides”

Fun local. Has huge grass area for picnics. Has BBQ grill. Basketball. Near a pedestrian path. Playground is fun for most ages.

★★★★★ — Krista , Nov 2024

Excerpts from public Google reviews. Read all 77 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.

🤫 Quiet / uncrowded 3 mentions

“Quiet Little Hidden Park suitable for ages 5+ due to having to climb a tall ladder to reach any slides”

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🚻 Restrooms

“Bathrooms are well taken care of.”

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🚰 Water fountains

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🌲 Natural surface / singletrack

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💡 Lit for night running

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Plan your run at Alvin B. Thomas 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.
  • LightingRunners report lights on the path — useful for pre-dawn and after-work miles. Lighting and opening hours are separate things, so check both.
  • At the trailheadrestrooms, water — reported by runners
  • Websitenorthglenn.org
  • Phone+1 303-451-8326
  • Social Instagram · Facebook

Hours

Monday 6 am–11 pm
Tuesday 6 am–11 pm
Wednesday 6 am–11 pm
Thursday 6 am–11 pm
Friday 6 am–11 pm
Saturday 6 am–11 pm
Sunday 6 am–11 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 Alvin B. Thomas Park

1800 Leroy Dr, Northglenn, CO 80233

Get directions

Running trails near Northglenn

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

Larson Park

4.5 ★★★★★ 204 reviews

Northglenn, CO

MixedShadedDog-friendly

under a mile away

Central Park

4.7 ★★★★★ 34 reviews

Northglenn, CO

under a mile away

Carpenter Park

4.7 ★★★★★ 2,445 reviews

Thornton, CO

BoardwalkShadedLitScenic

Park featuring an amphitheater, a carousel, a boat house, a playground, a skate park & sports.

1.2 miles away

Carpenter Park Fields

4.6 ★★★★★ 336 reviews

Thornton, CO

140 miScenicDog-friendly

Scenic park featuring kid-friendly amenities, a pool, trails, a playground and a lake.

1.2 miles away

E.B. Rains Jr. Memorial Park

4.6 ★★★★★ 3,424 reviews

Northglenn, CO

Scenic

Green space offering athletic fields, a lake with pedal boat rentals, plus a skatepark & play areas.

1.6 miles away

Charles C. Winburn Park

4.2 ★★★★☆ 94 reviews

Northglenn, CO

ScenicDog-friendly

Park featuring 2 ponds, a gazebo & a modern sculpture, plus a paved walking path & a turf field.

1.6 miles away

All running trails in Northglenn, CO →

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.