For an angler judging whether the fishing is worth the drive, the stocking record is the fishing report. Help Lake was stocked with rainbow trout in 28 recorded releases between 1974 and 2003, totalling roughly 95,200 fish across fry, fingerling and yearling life stages, drawing on Pennask, Premier, Tunkwa and Beaver strain broodstock over the program's three decades. The last recorded release was 2003-05-12: 2,000 Pennask-strain yearlings, wild origin, averaging 5.5 g.
Stocking appears to have wound down after 2003. Confirm whether the lake is still topped up or now fishes as a residual, wild population, and treat that as your first question before planning a trip around it.