Tucked away in the rugged mountains of Central Idaho lies a remarkable piece of mining history— the Yankee Fork Gold Dredge. Once used to scour the riverbeds of the Yankee Fork for precious gold, this massive relic now sits quietly in the landscape, offering a glimpse into Idaho’s gold rush era.
Visiting the Yankee Fork Gold Dredge is like stepping into a time capsule from Idaho’s wild gold rush days. Towering steel machinery, weathered timbers, and piles of rocky tailings tell the story of fortune seekers who once scoured these hills for riches.
Whether you’re a history enthusiast, adventure seeker, or simply curious about Idaho’s hidden gems, this historic site is well worth the detour.
The Yankee Fork Gold Dredge is one of the best-preserved gold dredges in the United States, making it a rare piece of mining history. It sits in Idaho’s rugged central mountains along the Yankee Fork of the Salmon River, just 22 miles north of the town of Stanley—one of Idaho’s most beloved mountain hubs.
Like many Western states, Idaho’s history was shaped by the discovery of gold. The first gold strike here took place in 1860 in the town of Pierce, sparking waves of prospectors to push deeper into the wilderness in search of wealth. By 1876, gold was found at the General Custer Mine—known as the “mother lode” of the Yankee Fork.
Soon after, the mining boom led to the creation of two lively towns—Bonanza and Custer. Today, little remains of Bonanza, but Custer has been beautifully preserved and offers a glimpse into Idaho’s mining past.
Located just 1.5 miles from the dredge, Custer Ghost Town is listed on the National Register of Historic Places and remains one of Idaho’s most fascinating ghost towns to visit. If you’re exploring the Yankee Fork Gold Dredge, don’t miss the chance to wander through the historic streets of Custer—it’s an Idaho bucket list experience!
Yankee Fork Gold Dredge Specifications
The Yankee Fork Gold Dredge remains an engineering marvel. Built for the Snake River Mining Company, the dredge weighs a staggering 988 tons and measures 112 feet long, 54 feet wide, and 64 feet tall. It operated with 71 massive buckets, each holding 71 cubic feet of material and weighing just over a ton apiece. Two Ingersoll-Rand diesel engines, producing 350 horsepower each, powered the dredge during its heyday.
History of the Yankee Fork Gold Dredge
The story of the Yankee Fork Gold Dredge began in 1939, when the Silas Mason Company from New York was seeking new investment opportunities. After surveying potential mining sites, they set their sights on the Yankee Fork Valley, believing there was an estimated $11 million worth of gold within their five-and-a-half-mile claim along the river.
The company contracted Bucyrus Erie to construct the dredge. Materials for the massive machine were shipped by rail from Milwaukee to the town of Mackay, Idaho, then loaded onto trucks and hauled to the remote construction site. Building the dredge began on April 1, 1940, and remarkably, it was completed by August 24, 1940.
The Yankee Fork Gold Dredge went into operation that same year and worked the river until 1952, pausing only twice—first during World War II (from late 1942 to 1946), and again in 1947 when the Snake River Mining Company determined operations weren’t profitable enough to continue.
Later, the dredge was sold for just $75,000 to Idaho businessman J.R. Simplot and his partner Fred Baumhoff, who resumed operations in 1950. By 1952, however, the dredge had exhausted its original claims. Simplot leased a small section from a neighboring landowner, the Morrisons, to continue mining, but once that area was dredged, they shut down the machine and walked away—leaving the dredge right where it sits today.
In 1953, Morrison requested either removal of the dredge or payment for the land it occupied. Simplot’s crew briefly restarted the machine to move it farther downstream, but once it reached its final position, it was abandoned for good.
From 1953 to 1966, the dredge sat idle and deteriorated. Vandals broke windows, looted the site, and even stripped it of valuable copper lines. Rumors in later years suggested drugs were hidden aboard the old dredge, causing curious visitors to explore the site in droves.
Thankfully, in 1966, J.R. Simplot donated the dredge to the U.S. Forest Service, who stabilized the structure to prevent further decay. However, the Forest Service lacked the funds and staff to open it to the public.
In 1980, the Yankee Fork Gold Dredge Association was formed by a group of passionate volunteers dedicated to preserving this fascinating piece of Idaho’s mining heritage. Thanks to their efforts, visitors can now tour the dredge and learn about its incredible history.
Tours of the Yankee Fork Gold Dredge
Today, visitors can tour the Yankee Fork Gold Dredge thanks to the Yankee Fork Gold Dredge Association. Tours are self-guided, allowing you to explore at your own pace. Friendly staff members are on hand throughout the dredge to answer questions and share fascinating stories about its history and operations.
Your tour begins on the front deck before leading you into the winch room, where you’ll get an up-close look at the machinery that once powered this enormous vessel. From there, you’ll climb up to the control room, located four stories above the main deck, where operators once oversaw the dredge’s every move.
Next, you’ll visit the rock ejector before descending to the stern oiler position at the back of the dredge. The tour wraps up on the main deck, where you can view the impressive gold collection station along with the two massive diesel engines that powered this giant machine.
Before leaving, be sure to browse the small photo gallery, which displays historic images of the dredge during its construction, years of operation, and later restoration. There’s also a gift shop at the entrance offering souvenirs and memorabilia.
Tour Hours:
Daily 10am to 4:30pm
Admission: $5 for adults, $1 for children ages 6–12.
Where to Stay near Yankee Fork Gold Dredge
Camping: There is abundant camping near the gold dredge. Along Yankee Fork Road, you can camp at Custer #1 Campground and Eightmile Campground, both located just beyond Custer Ghost Town.
On Highway 75, there are multiple campgrounds nearby including Upper O’Brien Campground, Casino Creek Campground, Mormon Bend Campground, Salmon River Campground, and the Sawmill Station RV Park.
Hotels: If you prefer hotel accommodation, the closest is Torrey’s Burnt Creek Inn. Otherwise you’ll have to head back to Stanley, where you can choose from the Mountain Village Lodge and Redwood Cabins.
Where is the Yankee Fork Gold Dredge?
The Yankee Fork Gold Dredge is located within Land of the Yankee Fork State Park in Central Idaho. It’s about 22 miles north of Stanley, making it an easy detour for anyone exploring the scenic Salmon-Challis region.
Directions: To get there from Stanley, head north on Highway 75 until you reach the small settlement of Sunbeam. From there, turn left onto Yankee Fork Road and follow it for about eight miles along a well-maintained dirt road. The dredge sits just off the roadside—you can’t miss it! Its towering structure and striking setting make it an unmistakable landmark.