Backpack to Marten and Kelly Lakes

Flat Creek Rd Trailhead - Search Nearby - Added by Garren Moore

The hike to Marten Lake is a one day, 10 miles out-and-back hike. Find an amazing campsite at Marten, Kelly, or Elizabeth lakes (one or all three!).

The Sawtooth mountain range consists of hundreds, maybe thousands, of small, crystal clear lakes. Because of the sheer number of lakes, there are many destinations where the foot traffic is considerably low. Most weekend packers will stick to the familiar: they find themselves hiking to Sawtooth lake, while beautiful, might be confused with an outdoor mall.

Enter Kelly and Marten lakes, one of the many perfect weekend-trip lakes in the Sawtooth range but not nearly as trafficked (as of the writing of this post!) as Redfish, Stanley, or Sawtooth lake. To reach Marten lake on a weekend or day-hike starts at a turnoff from highway 21, Flat Creek Rd. While the first quarter mile or so of Flat Creek Rd accessible, it really takes a small SUV/wagon to go any further. The road has large divots and consists of large sized granite rocks making it unforgiving to the modern sedan (sorry Prius). Once making it to the trailhead (elev. 6700), which is marked by the obvious trailhead and parking lot (pictured), be sure to sign in for your safety and the law. No worries, the trail is very well marked throughout this entire hike.

The trek to Marten lake is about 5 miles and climbs to 7615 ft. The landscape is mostly flat and barren with charred trees for the first half of this part of the hike, be sure to stop, refill your water, and rest once you hear the creek's waters rushing. After resting at the creek is when the beautiful forest fills out and start to gain elevation.

You'll come to a crosspath when you're just about to arrive to Marten. Go straight until your feet get wet (and you're in Marten) or turn left (south) to go to Kelly Lake (of which the majority of the lake pictures are included in this post). Kelly lake is another mile and sits at about 7900 ft. It is very similar to Marten lake, so if you find beauty in Marten only the extra curious should venture on. While possible, I would not recommend going to Kelly on just a day hike as that can stretch the beginning hiker a little too far.

Distance

10 Miles RT

Type

Out-and-Back

Activities

Fishing, Photography, Mountain Biking, Swimming, Backpacking, Hiking

Dog Friendly
Easy Parking
Forest
Lake
Scenic
Wildlife

We want to acknowledge and thank the past, present, and future generations of all Native Nations and Indigenous Peoples whose ancestral lands we travel, explore, and play on. Always practice Leave No Trace ethics on your adventures and follow local regulations. Please explore responsibly!

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