1st/2nd Flatiron–Amphitheater Trail, 5 sights is a 3.3-mile out-and-back in Boulder Open Space and Mountain Parks near Seven Hills, CO. It climbs 1,976 ft, with sections as steep as 35% grade, and is mostly dirt. It scores 4/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi5,807 – 7,162 ft · steepest grade: 35%3.7 mi
Getting there
Trailhead: Crown Rock 40.00182, -105.29699
Nearest town Seven Hills, CO
Directions
AMBLEWAYwww.ambleway.com
1st/2nd Flatiron–Amphitheater Trail, 5 sights
3.3 mi · ▲ 1,976 ft · 2 hr 5 min
Elevation 5,807–7,164 ft
Out & Back · Boulder Open Space and Mountain Parks
Trailhead: Crown Rock · 40.00182, -105.29699
Weather Sep 4: Mostly clear, high 86°F / low 66° · precip 6% · wind 6 mph · sunrise 6:33 AM · sunset 7:30 PM
Parking lot at the trailhead
- Start on Crown Rock, heading S.
- 0.3 miSharp left onto Gregory Canyon Trail, heading S.
- 500 ftContinue straight onto Saddle Rock Trail, heading E.
- 50 ftContinue straight onto Gregory Canyon Trail, heading SE.
- 150 ftTurn left onto Bluebell-Baird Trail, heading E.
- 50 ftSharp right onto Amphitheater Trail, heading E.
- 500 ftBear left onto Amphitheater Expressway, heading S.
- 50 ftTurn right onto Amphitheater Trail, heading S.
- 0.3 miContinue straight onto Saddle Rock Trail, heading SW.
- 0.6 miTurn left onto Saddle Rock, heading NW.
- 0.3 miTurn left onto 1st/2nd Flatiron, heading E.
- 50 ftReach Saddle Rock Trail, then turn around and head back the way you came.
- 100 ftTurn right onto Saddle Rock, heading E.
- 0.3 miTurn right onto Saddle Rock Trail, heading W.
- 0.6 miContinue straight onto Amphitheater Trail, heading N.
- 0.3 miTurn left onto Amphitheater Expressway, heading NE.
- 50 ftBear right onto Amphitheater Trail, heading NE.
- 500 ftSharp left onto Bluebell-Baird Trail, heading E.
- 50 ftTurn right onto Amphitheater Trail, heading E.
- 150 ftContinue straight onto Saddle Rock Trail, heading E.
- 50 ftContinue straight onto Gregory Canyon Trail, heading E.
- 500 ftSharp right onto Crown Rock, heading NW.
- 0.2 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
81% dirt19% unspecified
Weather
Mostly clearTemperature 86°F66°
Precip6%Wind6 mphUV7Humidity22%
Rained 0.2″ 4 days ago
Hourly temperature
90°65°
Sunrise 6:33 AM12 AM3 AM9 AM12 PM3 PMSunset 7:30 PM
Sat
85°69°
Sun
81°58°
29%
Mon
82°62°
44%
Tue
79°57°
27%
Wed
78°56°
33%
Thu
86°60°
34%
Good to know
- Parking lot at the trailhead
More from Crown Rock Trailhead
- Tour Stop 80–Amphitheater Trail, 8 sights 1.8 mi · ▲ 664 ft
- Crown Rock & Gregory Canyon Trail 2.7 mi · ▲ 1,202 ft
- Royal Arch–Amphitheater Trail, 6 sights 3.7 mi · ▲ 1,964 ft
- Tour Stop 40–Amphitheater Trail, 8 sights 3.7 mi · ▲ 1,382 ft
- Viewpoint–Evert Pierson Kids' Fishing Pond, 4 sights 3.8 mi · ▲ 946 ft
- Amphitheater Trail–Bluebell Hiking Trail, 7 sights 4 mi · ▲ 1,374 ft
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