Sawtooth Traverse
Sawtooth Range, ID
Elevation Profile
Current Conditions
Bottom Line
Perfect March weather window with stable flows and no fire concerns. Get on trail early to maximize daylight — you've got under 12 hours and late March can still deliver surprise weather.
46°/27°F · Mostly Sunny
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45" depth
Normal flows · 5 gauges
No active fires within 50 miles
11h 53m daylight · Sunrise 7:54 AM · Sunset 7:47 PM
Full Briefing
This is a prime weather window for the Sawtooth Traverse. Daytime highs climbing from 46°F to 52°F through Tuesday with mostly sunny skies and light winds under 7 mph. The slight chance of rain/snow Monday (16% probability) isn't enough to derail plans, and Tuesday looks locked in clear. Overnight lows in the upper 20s to upper 30s mean comfortable sleeping without extreme cold gear requirements.
Stream crossings are running well below normal — all monitored gauges show flows between 40-90% of median with stable or falling trends. The Salinas River near Bradley at 56% median and Llagas Creek at 88% median represent typical seasonal conditions without the elevated flows that create crossing hazards. With no recent precipitation and stable snowmelt patterns, expect straightforward water crossings throughout the route.
Snowpack data shows variable conditions across elevation bands. Long Lake at 840 feet holds 92 inches with falling trends, while higher elevations like Annie Springs show more typical March depths around 33 inches. The falling trend across stations indicates stable consolidation rather than rapid melt, which supports the benign stream flow conditions.
Daylight is the main constraint — 11 hours 53 minutes is workable but requires disciplined timing. Plan camp locations to avoid setup in diminishing light, and carry headlamps for any early morning starts or late arrivals. The clear fire situation within 50 miles means excellent visibility and air quality for the entire traverse.
Waypoints
Redfish Lake
Begin at Redfish Lake. Water taxi available across the lake to save miles.
6,496 ft
Alpine Lake Basin
Pristine lake basin surrounded by granite walls. Excellent camping.
8,497 ft
Baron Pass
High pass with panoramic views of the entire Sawtooth Range.
9,600 ft
Grandjean Trailhead
Exit at Grandjean. Hot springs nearby for post-hike recovery.
5,200 ft
Route Details
Distance
35.0 mi
Elevation Gain
10,499 ft
Elevation Loss
11,001 ft
Max Elevation
9,600 ft
Estimated Days
5
Trailhead
Redfish Lake Trailhead
Best Season
July through September. Snow on high passes into July.
About This Route
The Sawtooth Mountains in central Idaho are one of the most underrated alpine ranges in the American West. This traverse crosses the heart of the Sawtooth Wilderness, passing beneath jagged granite peaks that rival the Tetons in drama if not in height. The route connects several lake basins via high passes, with options ranging from established trails to off-trail ridgeline walking. Key highlights include Redfish Lake, the alpine basins beneath Mt. Heyburn and the Grand Mogul, and the spectacular views from Baron Pass. The range has over 300 alpine lakes. The Sawtooths see moderate traffic compared to more famous ranges. Free self-issue permits are available at trailheads. The town of Stanley provides resupply and shuttle services. Hot springs are scattered throughout the area, offering a welcome soak after long days on the trail.
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