Boulder Grand Pass, Trail Map, Wild Basin Trailhead, Rocky Mountain National Park, Colorado

Boulder Grand Pass - 14.5 Miles

Rocky Mountain National Park




GPS Coordinates :: Download Coordinates

1: N40 12.469 W105 33.993 — 0.0 miles : Wild Basin Trailhead
2: N40 12.230 W105 34.391 — .45 miles : Spur to Upper Copeland Falls
3: N40 12.022 W105 35.293 — 1.35 miles : Backcountry campsite access trail split
4: N40 11.923 W105 35.540 — 1.7 miles : Tahosa Campsite spur
5: N40 12.094 W105 35.839 — 2.0 miles : Aspen Knoll Campsite spur
6: N40 12.304 W105 36.407 — 2.6 miles : Rejoin main trail; bear right
7: N40 12.490 W105 36.960 — 3.15 miles : Fast, moderate travel
8: N40 12.773 W105 37.495 — 3.9 miles : Thunder Lake - Lion Lake Trail split
9: N40 12.808 W105 37.910 — 4.4 miles : Transition into subalpine forest
10: N40 13.236 W105 38.233 — 5.05 miles : Cross bridge over tributary
11: N40 13.343 W105 38.691 — 5.8 miles : Thunder Lake (10,574')
12: N40 13.429 W105 38.962 — 6.05 miles : Cross Thunder Lake inlet stream
13: N40 13.445 W105 39.314 — 6.3 miles : Enter large meadow
14: N40 13.443 W105 39.460 — 6.55 miles : Top of steep snowfield
15: N40 13.448 W105 39.767 — 6.75 miles : Steep push through open alpine
16: N40 13.454 W105 39.879 — 6.9 miles : Lake of Many Winds
17: N40 13.522 W105 39.997 — 7.1 miles : Far side of lake on scree field
18: N40 13.497 W105 40.108 — 7.15 miles : Steep route to right of snow wedge
19: N40 13.499 W105 40.152 — 7.25 miles : Boulder-Grand Pass (12,061')