British Columbia Court of Appeal clarifies ‘sufficient occupation’ to establish Aboriginal title in Nuchatlaht British Columbia Court of Appeal clarifies ‘sufficient occupation’ to establish Aboriginal title in Nuchatlaht

On April 2, 2026, the British Columbia Court of Appeal (the BCCA) released its decision in The Nuchatlaht v. British Columbia, 2026 BCCA 137, allowing the Nuchatlaht First Nation’s (the Nation) appeal and declaring Aboriginal title over the entire 201km² claim area (the Claim Area). The BCCA held that the trial judge erred by

• applying an inappropriately narrow site-specific approach when assessing whether the Nation had satisfied the test to establish sufficient occupation
• misapprehending evidence of the use of the interior land of the Claim Area
• drawing an arbitrary boundary that did not reflect the evidentiary record

This decision represents a significant clarification of the evidentiary standards for establishing sufficient occupation in Aboriginal title claims.

Lower court decisions

As we previously discussed, the Nation brought a claim for Aboriginal title over 201km² of Nootka Island on the west coast of Vancouver Island. To establish Aboriginal title, the Nation had to prove that it held sufficient occupation of the Claim Area at the time of assertion of British sovereignty in 1846, among other things. As noted in the decision, to avoid a complicated and prolonged proceeding, the Nation strategically limited the Claim Area to land they considered to be clearly within their historic boundaries and not subject to competing claims.^[1]

The Nation also relied exclusively on expert evidence to establish sufficient occupation, including expert evidence regarding culturally modified trees throughout the Claim Area dating from both before and after 1846. The Nation did not lead any Indigenous oral history evidence. As a result, the trial lasted only 54 days, one of the shortest trials for an Aboriginal title claim in Canada.

In 2023, the British Columbia Supreme Court (BCSC) concluded that the Nation had not established its claim for Aboriginal title to the overall Claim Area, but invited the opportunity to present a modified claim over a smaller land area, particularly with respect to land adjacent to reserves. In April 2024, after hearing further submissions, the BCSC found that the Nation had established Aboriginal title for roughly 11km² of the Claim Area.

The Nation appealed the trial judge’s decisions, arguing that the trial judge erred in their application of the “sufficient occupation” requirement for Aboriginal title and misapprehended evidence in their analysis.

The Court of Appeal’s decision

The Court of Appeal unanimously allowed the appeal, set aside the trial judge’s declaration and substituted in its place its own order declaring the Nation to have Aboriginal title over the entirety of the Claim Area.^[2] In doing so, the Court held that the trial judge erred by

1. misapplying the test for establishing sufficient occupation
2. materially misapprehending evidence of the Nation’s use of the interior land
3. drawing an arbitrary boundary that did not reflect the evidentiary record

First, the trial judge misapplied the sufficient-occupation test by requiring evidence of “site-specific use” throughout all areas within the Claim Area and demanding that all evidentiary gaps be filled.^[3] The Court held that the trial judge’s approach approximated the “postage stamp” methodology expressly rejected by the Supreme Court of Canada in Tsilhqot’in.^[4] The proper analysis requires consideration of the group’s manner of life, material resources and technological abilities, or the character of the lands claimed. The trial judge’s misapplication of the test was borne out in their approach to the evidence — for example, by affording limited significance to evidence of recognized boundaries, insisting that the Nation fill “gaps” in the evidence of use of the coast, imposing a requirement that evidence of tree harvesting be adjacent to villages or reserves, and undervaluing evidence of the Nation’s use and occupation of the interior island that did not conform to evidentiary standards that would be applied in non–Aboriginal title cases.^[5]

Second, the trial judge misapprehended the Nations’ evidence regarding use of the interior portions of the Claim Area.^[6] Specifically, the trial judge misapprehended an expert’s observation that the Aboriginal group did not regard “remote inland areas” as property of their chiefs and relied too heavily on one expert’s description of the inland areas as “remote,” where no definition was provided of the territory to which the comment applied.^[7] The Court found no evidentiary foundation supporting the trial judge’s conclusion that the entire interior portion of the Claim Area above 100 metres in elevation constituted a “remote inland area.”^[8] In reality, the Court determined that none of the Claim Area was remote or distant from the coastal area, with the main portion spanning only approximately seven kilometers.^[9] The trial judge further erred by dismissing clear evidence of interior area use, such as tree harvesting, while placing undue weight on expert evidence characterizing the area above 100 metres as “difficult to access.”^[10] In fact, the evidence showed that the Nation used the inland forests regularly. The trial judge’s error was further compounded by the discounting of significant post-1846 evidence of tree modification.^[11] In doing so, the trial judge failed to appreciate the evidentiary difficulties inherent in Aboriginal title claims and placed an inappropriate evidentiary burden on the Nation.

Third, the Court found that the 100-metre elevation boundary drawn by the trial judge in the April 2024 judgment was arbitrary, not based on the evidence at trial and inconsistent with the Nation’s cultural perspective and manner of life.^[12] The line produced anomalous results and excluded significant culturally modified tree sites, some as close as the 120-metre line, with many located at higher elevations, some reaching 400–500 metres.^[13] The trial judge failed to weigh competing expert opinions, erroneously rejected undisputed evidence establishing harvesting and use of trees prior to the assertion of British sovereignty and erroneously excluded areas that were not adjacent to a village site.^[14]

Significance

This decision provides important guidance on the evidentiary requirements for establishing Aboriginal title claims. The BCCA reaffirmed that claimants need not demonstrate site-specific intensive use throughout the entire claimed territory to establish Aboriginal title. Rather, it may suffice to present evidence which establishes, on a balance of probabilities, recognized boundaries, exclusive control and regular resource exploitation throughout the territory.

The decision also emphasizes that courts must interpret evidence of sufficient occupation with an appreciation for the evidentiary difficulties inherent in Aboriginal title claims. Post-sovereignty evidence may support inferences about pre-sovereignty occupation and demonstrate continued control and use, and trial judges should not discount such evidence simply because it falls outside the relevant date range.

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[1] Nuchatlaht at paras 14–15.

[2] Nuchatlaht at paras 196 and 205.

[3] Nuchatlaht at paras 127 and 129.

[4] Nuchatlaht at para 169.

[5] Nuchatlaht at para 127.

[6] Nuchatlaht at para 129.

[7] Nuchatlaht at paras 130–138.

[8] Nuchatlaht at para 131.

[9] Nuchatlaht at para 134.

[10] Nuchatlaht at paras 135–138.

[11] Nuchatlaht at paras 139–155.

[12] Nuchatlaht at para 163.

[13] Nuchatlaht at paras 165–166.

[14] Nuchatlaht at paras 175 and 180–181.