Talk:Cordillera Central
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Cordillera Central is the Growing Region page for the Cordillera Central, the mountain range of northern Luzon. It covers the parts of the range where sources place cannabis growing, and is the parent of the growing areas Tinglayan, Kibungan, Sadanga and Santol. It is not a page for the Cordillera Administrative Region.
Data verification
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Discussion
Evidence
- Range scale. The United States State Department's 2009 narcotics report places 70 percent of the country's marijuana cultivation in "the Cordilleras in Northern Luzon". Its 1990 report names northern Luzon among the centres of cultivation; its 2007 report places the New People's Army's reported involvement in "the Cordilleras Region of Northern Luzon". None of these reports draws a line on a map, and "the Cordilleras" in them is not defined.
- Sites inside the range. A Supreme Court case (Mount Churyon, Betwagan, Sadanga, 2000); a 2005 raid at Ahin, Tinoc; the 2021 Oplan Herodotus targets (Tacadang and Badeo in Kibungan, Kayapa in Bakun, Loccong and Mount Chumanchil in Tinglayan, Saclit in Sadanga); the Saclit–Tinglayan boundary in 2020, 2024 and 2026; and the two growing areas, each with its own news reports.
- Santol. The 2011 report says cultivation was carried on openly in Santol, La Union, for 40 years; a 2006 report places a plantation at Sitio Bay-O, Sabsaba; the Dangerous Drugs Board funded an alternative development programme there in 2009. Santol is included on the strength of these reports; that it lies on the range's western side, below Benguet, is this page's own reading of the map, not a source's.
- Status. Active: every source above except the 1990 report dates from 2000 or later, and the news reports run to 2026.
Border
- Unit. The provinces of Benguet, Mountain Province, Ifugao and Kalinga, and the municipality of Santol (La Union), cut to ground at or above 500 metres, with the borders of its four growing areas added: Tinglayan, Kibungan (which takes in the Sugpon barangays of Licungan, Danac and Caoayan), Sadanga and Santol. The border includes the whole municipality of Santol, its ground below 500 metres as well, because the Santol growing area is the municipality. The 500-metre line keeps the floors of the Cagayan and Abra valleys out (Tabuk, about 190 metres; Bangued, about 50 metres) and keeps every reported site in (the lowest, Tubaday in Santol and Licungan in Sugpon, lie at about 510 and 590 metres). It is an editorial line, not a figure from any source. The area is about 8,200 square kilometres.
- Left out. Abra, Apayao, the rest of Ilocos Sur and Nueva Vizcaya. No source read for this page places cannabis growing in them, though the range continues into Abra and Apayao. They can be added when a source does.
- Boundary data. OCHA/PSA administrative boundaries (valid 2018) and SRTM elevation. OpenStreetMap has no polygons for these municipalities or for the range.
Source notes
- "The Cordilleras". The State Department's reports use "the Cordilleras" and "Cordilleras Region" loosely; the 2009 report also writes "Cordilleras Autonomous Region". The article quotes the reports and does not equate their wording with this region's border.
- Santol's figures. The 2011 report's "90 percent" of Santol plantations "neutralized" is the report's figure for an operation it does not date.