Echinocereus viridiflorus viridiflorus 20.jpg
Jared Shorma · CC BY 4.0

Wonderland Lake–Maxwell Reservoir, 6 sights is a 7.7-mile out-and-back in Boulder Open Space and Mountain Parks near Pine Brook Hill, CO. The route passes Maxwell Reservoir and Wonderland Lake. It climbs 1,488 ft, with sections as steep as 29% grade, and is mostly dirt. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi5,551 – 6,401 ft · steepest grade: 29%8.2 mi

Getting there

Trailhead: Unnamed 40.04441, -105.28919
Nearest town Pine Brook Hill, CO

Directions

AMBLEWAYwww.ambleway.com

Wonderland Lake–Maxwell Reservoir, 6 sights

7.7 mi · ▲ 1,488 ft · 3 hr 19 min

Elevation 5,553–6,402 ft

Out & Back · Boulder Open Space and Mountain Parks

Trailhead: 40.04441, -105.28919

Weather Sep 5: Partly cloudy, high 91°F / low 64° · precip 6% · wind 8 mph · sunrise 6:33 AM · sunset 7:30 PM

Transit-accessible: Broadway & Norwood Ave stop 598 m from the trailhead

  1. Start at the trailhead, heading N.
  2. 50 ftPass Maxwell Reservoir.
  3. 200 ftTurn right, heading NE.
  4. 50 ftBear left, heading NE.
  5. 250 ftSharp left, heading W.
  6. 350 ftTurn right, heading N.
  7. 200 ftContinue straight onto Wonderland Lake Trail, heading N.
  8. 350 ftTurn right onto Wonderland Park Trail, heading NW.
  9. 100 ftPass Wonderland Lake.
  10. 50 ftTurn left, heading N.
  11. 100 ftBear left onto Wonderland Lake Trail, heading NW.
  12. 0.3 miTurn left onto Foothills South, heading N.
  13. 0.2 miTurn left, heading N.
  14. 0.4 miContinue straight onto Old Kiln, heading N.
  15. 50 ftTurn right onto Foothills South, heading N.
  16. 0.2 miBear left onto Foothills North Trail, heading NE.
  17. 0.6 miTurn left onto Hogback Ridge Trail, heading N.
  18. 1.8 miReach Wonderland Lake, then turn around and head back the way you came.
  19. 1.8 miTurn right onto Foothills North Trail, heading NE.
  20. 0.6 miBear right, heading E.
  21. 50 ftContinue straight onto Foothills South, heading S.
  22. 0.2 miTurn left onto Old Kiln, heading S.
  23. 50 ftContinue straight onto Foothills South, heading S.
  24. 0.6 miTurn right onto Wonderland Lake Trail, heading S.
  25. 0.3 miTurn left, heading E.
  26. 250 ftBear right, heading SE.
  27. 150 ftTurn right onto Wonderland Park Trail, heading S.
  28. 100 ftTurn left onto Wonderland Lake Trail, heading S.
  29. 0.1 miTurn left, heading S.
  30. 350 ftSharp right, heading S.
  31. 250 ftBear right, heading S.
  32. 50 ftTurn left, heading S.
  33. 50 ftArrive back at the trailhead.

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

Trail surface

63% dirt28% gravel9% paved

Weather

Partly cloudyTemperature 91°F64°
Precip6%Wind8 mphUV7Humidity22%
Rained 0.1″ 4 days ago
Hourly temperature
95°60°
Sunrise 6:33 AM12 AM3 AM9 AM12 PM3 PMSunset 7:30 PM
Sat 91°67°
Sun 87°63° 22%
Mon 87°66° 29%
Tue 86°61° 30%
Wed 83°59° 30%
Thu 92°62° 28%

Good to know

  • Transit-accessible: Broadway & Norwood Ave stop 598 m from the trailhead