Here are spots to stop that offer great freshwater fishing all located in Northern British Columbia along the Alaska Highway near Fort Nelson.

Borrow Pits
Located between Prophet River and Fort Nelson there are old gravel pits that have been converted into water ponds with fish. They are located east and west of the highway. Signage along the highway with blue fish signs indicate the pit number.
Fish: Rainbow Trout

Andy Bailey Park
At mile 265 Alaska Highway follow an eight kilometre road to access this small regional park and has a boat launch, camping and picnic area and a small lake (non-motorized boats only).
Fish: Northern Pike

Tetsa River
Along the Alaska Highway fro Mile 345 – 375 you will see the Tetsa River. There are numerous points to access the river. The river has good pool fishing for Arctic Grayling, Dolly Varden. There is also small whitefish.
Fish: Arctic Grayling, Dolly Varden, Whitefish

Summit Lake
Mile 373 Alaska Highway, good fishing at the Summit Lake Campground. There is a boat launch. Motorized boats are allowed.
Fish: Lake Trout, Rainbow Trout & Whitefish

McDonald Creek
Alaska Highway: between Mile 378 to 395 you will follow and sometimes see McDonald Creek. There’s great pool fishing for Arctic Graylig and Dolly Varden with many spots to access the creek from the highway. Spin or fly fishing.
Fish: Arctic Grayling & Dolly Varden

Racing River
Accessed from Mile 397 (gravel road) Alaska Highway and Mile 400 on the Racing River bridge. Fishing is good for Arctic Grayling to 16 inches ad Dolly Varden (up to 2 pounds). Fly fishing is recommended from July to September.
Fish: Arctic Grayling & Dolly Varden

Toad River
The Toad River is turquoise green and the Alaska Highway follows the river from mile 411 until mile 420. Excellent Arctic Grayling (to 16″) and Dolly Varden (up to ten pounds) from July – September. Spin or Fly. Access points pretty much continuous along the highway.
Fish: Arctic Grayling & Dolly Varden

Muncho Lake
If you are looking for lake trout fishing along the Alaska Highway this would be the best place to do it! Located at Mile 437, the deep clear blue waters record lake trout is 50 pounds. There are two campgrounds with boat launches, several rv parks, motels and restaurants on this 400 foot deep seven mile long lake. It’s a terrific spot to stop for a few days and enjoy a fishing holiday. Late June – September with June and July being the best months with spoons, spinners, diving plug or weighted spoons. Fly-fishing is also available on this lake.
Fish: Lake Trout, Rainbow Trout, Dolly Varden, Whitefish and some Arctic Grayling

Trout River
Alaska Higway between Miles 457 and 471. Multiple access points. Arctic Grayling to 18 inches, whitefish to 12 inches early in the season (May/June best). We recommend Prochniak Creek Bridge at Mile 461 for access.
Fish: Arctic Grayling, Whitefish

Liard River
From mile 477 of the Alaska Highway until the Yukon border (Mile 605). Best fishing where there are tributaries that are flowing into the Liard River.
Fish: Dolly Varden, Northern Pike, Whitefish

Smith River Falls
Located at the turnoff at mile 495 of the Alaska Highway. Follow the 2.6km road (2 wheel drive) which leads to two sets of long stairs that take you down to the base of the waterfalls. Good fishing for Arctic Grayling in the pool below the falls. Best in late summer as the water levels are a bit lower that gives you the chance to stand on the gravel bar.
Fish: Arctic Grayling