Koleski Reservoir Number 1 & Thorncreek Trail via Big Dry Creek Trail

3.7 mi · ▲ 198 ft · 1 hr 20 min

Koleski Reservoir Number 1 & Thorncreek Trail via Big Dry Creek Trail is a 3.7-mile out-and-back near Eastlake, CO. The route reaches Koleski Reservoir Number 1 at the turnaround, 1.8 miles in. It is mostly level, with 198 ft of elevation gain, and mostly paved. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi5,154 – 5,296 ft4.2 mi

Getting there

Trailhead: Unnamed 39.93123, -104.98116
Nearest town Eastlake, CO

Directions

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Koleski Reservoir Number 1 & Thorncreek Trail via Big Dry Creek Trail

3.7 mi · ▲ 198 ft · 1 hr 20 min

Elevation 5,155–5,295 ft

Out & Back

Trailhead: 39.93123, -104.98116

Weather Sep 4: sunrise 6:32 AM · sunset 7:28 PM

Transit-accessible: stop 472 m from the trailhead · Parking lot at the trailhead

  1. Start at the trailhead, heading W.
  2. 0.3 miContinue straight onto Thorncreek Trail, heading N.
  3. 0.3 miContinue straight onto Big Dry Creek Trail, heading N.
  4. 0.2 miBear left onto I-25 Trail, heading S.
  5. 0.8 miBear left, heading SW.
  6. 0.2 miBear right, heading S.
  7. 450 ftReach Koleski Reservoir Number 1, then turn around and head back the way you came.
  8. 450 ftBear left, heading S.
  9. 0.2 miBear right, heading N.
  10. 0.8 miBear right onto Big Dry Creek Trail, heading N.
  11. 0.2 miContinue straight onto Thorncreek Trail, heading NW.
  12. 0.5 miArrive back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Trail surface

96% paved4% unspecified

Weather

Sunrise 6:32 AMSunset 7:28 PM

Sunset

The best sunset spot on this hike is 1.4 mi in (~37 min). Leave by 6:32 PM for the 7:28 PM sunset. Back at your car by 8:21 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • Transit-accessible: stop 472 m from the trailhead
  • Parking lot at the trailhead

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