Arras Lake is a small lake in geographic Lee Township in the Unorganized West Part of Timiskaming District, in northeastern Ontario, Canada. The lake is in the James Bay drainage basin and is on Tomwool Creek. The nearest community is Bourkes, to the northeast.
The lake is about long and wide. The primary inflow, at the west, is Tomwool Creek arriving from Burl Lakes. The primary outflow, at the south, is also Tomwool Creek, which heads south to Tomwool Lake. Tomwwool Creek flows via Sarsfield Creek, Meyers Lake, Woollings Creek, the Whiteclay River, the Black River, the Abitibi River and the Moose River to James Bay.
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