Administration, the legal instruments that created the reserve, the five historic working circles, and the live pressures the department manages today.
01
Six Pillars of Governance
Forest Department
Tamil Nadu Forest Department, under the Field Director / Conservator of Forests, STR, Erode. Ten ranges across two divisions — Sathyamangalam and Hasanur.
National Tiger Conservation Authority oversight under the Tiger Conservation Plan 2019–30 — the reserve's governing management document. In the NTCA's 2019 Management Effectiveness Evaluation, Sathyamangalam recorded the highest MEE score increase of any tiger reserve nationally.
793.49 km² core, 614.91 km² buffer — 1,408.40 km² total, per the primary 2013 gazette notification (Environment and Forest Dept G.O., 16.03.2013). A previously open core-area discrepancy against a Wikipedia figure has now been resolved — see Sources & Data. The G.O.'s own number is a separate, still-open discrepancy: "No. 4" per the scanned primary document, "No. 45" per the Forest Department's own portal.
Madras High Court orders on invasive removal and grazing restrictions actively shape day-to-day management, alongside a 1 October 2025 Senna clearance deadline.
Madras High Court orders — invasive removal, grazing restrictions
GOMS No. 122, 3 Nov 2008 — the founding sanctuary notification
G.O., Environment and Forest (FR.V) Dept, 16 Mar 2013 — declares Sathyamangalam Wildlife Sanctuary a Tiger Reserve under Section 38(V) of the Wildlife (Protection) Act, 1972, effective 15 March 2013; the primary source for the reserve's 793.49 km² core / 614.91 km² buffer area figures. G.O. number disputed — "No. 4" per the scanned primary document (ntca.gov.in), "No. 45" per the Forest Department's own current portal (sathytiger.tn.gov.in/about). Not yet resolved.
The five historic working circles
Sandalwood — protected since the Tipu era, depot established 1919
Fuelwood — active until around 1975
Bamboo — ended 1981 after the 1972–75 gregarious flowering
Selection felling — stopped 1980; cited as a cause of habitat degradation
Minor forest produce — ₹60–80 lakh/year, now via Village Forest Committees
Accreditation
CA|TS (Conservation Assured | Tiger Standards) — approved in the 2020–2022 review cycle, listed in the IBCA World registered sites database. An international management-quality standard, independent of the NTCA's own domestic MEE process.
Grazing. ~25,000 cattle recorded competing for forage and water, and carrying anthrax, foot-and-mouth and haemorrhagic septicaemia into wildlife populations. Ring vaccination within 5 km of the boundary is a standing prescription.
Fire. March–April is the critical window. Fire history is poorly published; FSI alerts are the best open signal.
Human–elephant conflict. Crop raiding and electrocution along the boundary. 239 km of solar fencing and trenching at a reported ₹1.51 crore.
NH-948. Roadkill and the contested night traffic restriction — the same argument that has run through Bandipur for over a decade.
Poaching. TRAFFIC historically listed the tract among India's top five poaching locations; the reserve now reports zero incidents in recent years.
Encroachment and fragmentation. Multiple enclosures within reserve forests; corridor loss on the Nilgiri–Eastern Ghats elephant migration route.
Forest rights unresolved. A quarter of claims settled statewide. A governance risk as much as a justice question.
Boundary/conflict-mitigation photography — not yet sourced
No verifiably CC-licensed photo of this reserve's solar fencing, grazing pressure or human-elephant conflict mitigation was found with a stable URL as of this build. See the media credits.
Open discrepancy — help us close it
Research toward this section turned up a claim of a Madras High Court order restricting NH-948 to daytime traffic dated 5 March 2022. The site's own bibliography instead dates its coverage of this restriction to 2025, and the timeline above treats it as a 2024–2026 development. Both cannot be right, and we have not resolved which — possibly two separate orders, possibly one misdated somewhere along the way. Flagged rather than silently picked; see Sources & Data.
Independent, not official
This atlas is an independent open-knowledge project. It is not affiliated with, endorsed by, or speaking for the Tamil Nadu Forest Department or the NTCA. For bookings, permits and official notifications, use the department's own STR portal, linked in the footer.
