BLM Moves to Block the Proposed Ambler Road in Alaska’s Brooks Range

Citing too many environmental risks to the region's game, fish, and water, the Department of the Interior recommends not building the private mining-access road
Natalie Krebs Avatar
A caribou stands in the Brooks Range, the proposed site of the Ambler Road.
A lone caribou in the Brooks Range. The final SEIS determined that caribou herds, among other game and natural resources, would have been unduly impacted by the Ambler Road. Photo by Danielle Brigida / USFWS

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On Friday the Bureau of Land Management released the final Supplemental Environmental Impact Statement for the proposed Ambler Industrial Road that would have stretched 211 miles through the Brooks Range of Alaska to access a copper deposit worth an estimated $7.5 billion. The BLM’s decision of “No Action” indicates the agency’s intent to deny the permit for the Ambler Road, according to the Theodore Roosevelt Conservation Partnership.

“Today’s news is exactly what hunters and anglers have been hoping for in terms of being one step closer to preventing the Ambler Road from being built,” TRCP’s vice president of Western conservation Joel Webster tells Outdoor Life. TRCP is one of 40-plus members of Hunters & Anglers for the Brooks Range, a coalition formed last year to oppose the Ambler Road. “If it were to be built it would bisect migratory habitat for the Western Arctic Caribou Herd — which is the largest caribou herd in Alaska — as well as result in nearly 3,000 stream crossings. The Brooks Range is one of the wildest places on earth and it’s also one of the most amazing hunting and fishing destinations. And if this road were built it would only increase tension between users [particularly over caribou] and result in decreased hunting and fishing opportunities.”

Map of the proposed Ambler Road in Alaska.
The proposed route for the Ambler Industrial Road. Illustration courtesy of Hunters & Anglers for the Brooks Range

State director of Alaska BLM Steven Cohn wrote in the agency’s most recent environmental impact statement that all three of the proposed Ambler Road routes “would significantly impact resources, including important subsistence resources and uses, in ways that cannot be adequately mitigated.” In addition to the do-nothing approach that the BLM ultimately selected, the agency considered the environmental impact of these three routes:

  • Alternative A, the 211-mile road beginning at Mile 161 of the Dalton Highway and extending west, ending at the Ambler River
  • Alternative B, which would have started and ended at the same locations but via a shorter route through Gates of the Arctic National Park and Preserve
  • Alternative C, the longest route that would’ve begun at Mile 59.5 of the Dalton Highway and extended 332 miles northwest, also ending at the Ambler River

The 211-mile version of the road that received the most public attention would have crossed 11 major rivers and risk, as TRCP notes, “degrading habitat and potentially impeding fish passage for species such as Arctic grayling and sheefish.” The road in any of its versions would’ve been constructed as a two-lane (32-foot wide) all-season gravel road, with bridges, culverts, stations every 50 to 75 miles, vehicle turnouts, material sites, water source access roads, and airstrips.

“Brooks Range rivers are beautiful, wild, and there are few other places like them in the world,” fly fishing guide Greg Halbach told TRCP. Halbach offers guided wilderness floats on the Kobuk River, one of the few places fishermen can target sheefish in North America. “A single road can fragment habitat, disrupt wildlife migrations, and introduce chemical pollutants on a scale much wider than the narrow strip of gravel that we see. A float down the Kobuk River that included passing under bridges and listening to the hammering of engine brakes from tractor-trailers would be a radically different recreational experience.”

The Kobuk River in Alaska.
Outfitters and biologists alike were concerned about the road’s impacts to the Kobuk River. Photograph by Neal Herbert / NPS Neal Herbert

Friday’s official release of the environmental impact statement follows a leak that led the New York Times and Politico to break news of the decision earlier this week. In response the Alaska Industrial Development and Export Authority said Tuesday that the move to block the Ambler Road would “violate several federal laws and promises made at statehood to allow development of state lands.” AIDEA, which proposed the Ambler Road and finances economic development projects in the state, estimates the project would have created 14,000 jobs and $1.3 billion in tax and royalty revenue.

“Allakaket wants a future of jobs and economic opportunities for our people; a legacy and future for our kids,” first chief of Allakaket PJ Simon said in the AIDEA press release. “We deserve the same opportunities as the billion-dollar donors and conservation groups trying to lock us into a state of poverty with the highest food and energy prices in the nation. Without access to running water or sewer, how are we supposed to be healthy people? Projects like the Ambler Road help us to develop skills and secure jobs that empower our people, much like [the] Trans-Alaska Pipeline did in the 1970s.”

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While many Alaskans worried about the Dalton Highway‘s construction to build the Trans-Alaska Pipeline and service oil fields on the North Slope half a century ago, hunters and anglers have since embraced the access it eventually provided to state and federal lands. (The Haul Road was opened for public use in 1994.) In contrast, the Ambler Road would’ve neither been designed for nor open to the public despite the fact that 61 percent of its proposed route crossed state lands and 24 percent crossed federal lands (the remaining 15 percent was routed through Native corporation lands). Only industrial traffic related to mine exploration, development, and operations in the Ambler Mining District would’ve been permitted, according to the BLM.

“Though I believe that Alaska needs to be able to reasonably develop its rich mineral resources, I’d be lying if I said there wasn’t a small part of me that’s relieved this bit of Alaska isn’t going to be touched for now,” says OL staff writer and Fairbanks resident Tyler Freel. “This road would not allow public access, and even if it eventually did, what would we have to give up to get it? The price for the Dalton Highway was ANILCA — the largest loss of hunting access that Alaskans have ever seen. We don’t know the ultimate cost of the Ambler Road.”

The BLM won’t issue its record of decision — the agency’s final say on the Ambler Road — for at least 30 days. While conservation groups are hopeful it will be consistent with today’s “No Action” determination, Webster of TRCP urges hunters and anglers to remain engaged.

“We feel very optimistic that the administration is going to do the right thing and prevent this road from being built or permitted,” he says. “I don’t know that this is the final chapter in this debate. We’re excited to see this decision, we want to see it stick, and we’re going to work to see it stick. Hunters and anglers have a lot at stake here.”