Beginner terrain
that is good as you develop your backcountry skills and when the avalanche danger is higher. Click for details.
Intermediate
terrain that requires more experience in skinning and skiing. Click for details.
Advanced terrain
that requires strong skiing and skinning skills. Click for details.
Expert terrain that is
challenging and a small mistake can have serious consequences. Click for details.
Extreme terrain
that includes insanely difficult chute skiing and beyond. Click for details.
The difficulty of this terrain
varies widely. Click for details.
This terrain hasn't
been rated. Click for details.
Although this slope was measured, slopes are not homogeneous—this should be considered approximate. Click for details.
This slope angle was not measured. If you get an accurate slope measurement, please send it to me at info@vRigger.com.
The slope angle varies widely. Click for details.
This is the general direction the slope faces. Click for details.
The Utah Avalanche Center says that dangerous avalanches are not expected in this terrain except during extreme or very unusual conditions. Click for details.
The Utah Avalanche Center says that this is generally low-angle terrain although the route may cross under steep avalanche runout zones. Click for details.
The Utah Avalanche Center says that this terrain has significant exposure to numerous commonly-occurring avalanche paths. Click for details.
The Utah Avalanche Center says that this terrain is exposed to significant avalanche hazards often with multiple terrain traps. Click for details.
This terrain can be accessed by resort skiers without skins. Click for details.
This terrain can be accessed by resort skiers without skins. Snowmobiles are allowed. Click for details.
This terrain is commonly skied by helicopter skiers. Click for details.
This terrain is commonly skied by helicopter skiers and by resort skiers without skins. Click for details.
This terrain is commonly skied by helicopter skiers, by resort skiers without skins, and by snowmobilers. Click for details.
This terrain is commonly skied by helicopter skiers. Snowmobiles are allowed. Click for details.
Snowmobiles are allowed in this terrain. Click for details.
The Big Water trailhead (i.e., the Upper Big Water parking lot) is located at the end of the Mill Creek road.
The Lower Big Water parking lot is on the right side of the road about 500 feet before the upper lot. The Big Water Yurt
is on the west side of the parking lot.
The elevations shown in the info tables for runs that are accessed from
the Big Water trailhead were measured from the Big Water parking lot (at 7,600
feet). You'll need to adjust the elevations and distances depending on whether you actually start at the Big Water Parking lot or ski in from elsewhere.
Getting to the Big Water Trailhead
Because the Mill Creek Canyon road is closed at the Maple Grove gate during the
winter, you'll need to either skin 4.5 miles and 1,500 vertical feet up the road (as explained here), or
skin 2.3 miles and 1,400 vertical feet from the Spruces parking lot in Big Cottonwood Canyon to Dog Lake, and
then ski down 1,100 feet to the Big Water trailhead (smiling as you do).
The elevation gain to the Big Water parking lot is about the same
from the Maple Grove gate as from the Spruces, but taking the low-angle Mill Creek road means you'll have to
travel twice as far with minimal skiing on your return trip. If you come in from the Spruces, you'll need to skin back out of Mill Creek when you're done. A third option is to shuttle cars so you can start at the Spruces and ski out to Maple Grove.