Don’t guess. Verify.
Audit JVTO's legal identity, historical continuity, and safety authority through our verifiable proof library.
NIB (Nomor Induk Berusaha)
NIB 1102230032918 preview image (WebP).
TDUP (Tanda Daftar Usaha Pariwisata)
TDUP licence preview image (WebP).
HPWKI — Supervisory Board member (Pengawas · Anggota), held by founder Agung Sambuko
HPWKI approval letter preview image (WebP).
SPRIN POLPAR (Tourist Police Assignment Letter)
Tourist Police assignment letter (SPRIN POLPAR) preview image.
SPRIN WAL-TRAVEL — traffic-escort order Sprin/70/II/HUK.6.6./2024, 12 February 2024
Police travel order (SPRIN WAL-TRAVEL), 12 Feb 2024 preview image.
Official Ijen climbing license for Anjas.
Official Ijen climbing license for Anjas.
Official Ijen climbing license for Gufron.
Official Ijen climbing license for Gufron.
Official Ijen climbing license for Kiki.
Official Ijen climbing license for Kiki.
Official Ijen climbing license for Rendi.
Official Ijen climbing license for Rendi.
Official Ijen climbing license for Taufik.
Official Ijen climbing license for Taufik.
Crater access terms (screenshot, tiket.bbksdajatim.org): health requirements and doctor certificate. That portal is retired; the current authority is ayoketamannasional.kehutanan.go.id
Crater access terms (screenshot, tiket.bbksdajatim.org): health requirements and doctor certificate. That portal is retired; the current authority is ayoketamannasional.kehutanan.go.id
Surat Izin Praktik (SIP) — dr. Ahmad Irwandanu (Bondowoso)
Surat Izin Praktik (SIP) — dr. Ahmad Irwandanu (Bondowoso)
Early third-party mention in a European travel guide.
Early third-party mention in a European travel guide.
BBKSDA Jatim official training article: HPWKI members participate in Ijen guide safety training (SAR & emergency first aid).
BBKSDA Jatim official training article: HPWKI members participate in Ijen guide safety training (SAR & emergency first aid).
Press mention screenshot (Detik.com) with founder name variant in Tourist Police context.
Press mention screenshot (Detik.com) with founder name variant in Tourist Police context.
Press mention screenshot (Radar Jember) about Tourist Police formation for Ijen Geopark.
Press mention screenshot (Radar Jember) about Tourist Police formation for Ijen Geopark.
Stefan Loose Reiseführer Indonesien, Ost-JAVA | Ijen-Massiv, page 287.
Stefan Loose Reiseführer Indonesien, Ost-JAVA | Ijen-Massiv, page 287.
Active Tourist Police leadership behind every JVTO trip.
Active Tourist Police leadership behind every JVTO trip.
Pre-ascent lineup at Baratha Hotel with Tourist Police support.
Pre-ascent lineup at Baratha Hotel with Tourist Police support.
International group visiting JVTO Bondowoso operations office.
International group visiting JVTO Bondowoso operations office.
Evening welcome with guests at JVTO office.
Evening welcome with guests at JVTO office.
Tourist Police briefing at Ijen Geopark Information Center with local miners present.
Tourist Police briefing at Ijen Geopark Information Center with local miners present.
JVTO Bondowoso operations office.
JVTO Bondowoso operations office.
Traffic Police escorted arrival at the hotel in Bondowoso group photo with the patrol car.
Traffic Police escorted arrival at the hotel in Bondowoso group photo with the patrol car.
Arriving in Bondowoso with a Traffic Police escort group photo at the hotel after the journey.
Arriving in Bondowoso with a Traffic Police escort group photo at the hotel after the journey.
Police support vehicle and group prior to departure.
Police support vehicle and group prior to departure.
Pre-ascent health screening at partner hotel.
Pre-ascent health screening at partner hotel.
Vitals taken and logged before night ascent.
Vitals taken and logged before night ascent.
Digitally recorded, signed clearance issuance.
Digitally recorded, signed clearance issuance.
Screening can be done at hotel or office.
Screening can be done at hotel or office.
Sample printout of health clearance (surat sehat) preview image.
Sample printout of health clearance (surat sehat) preview image.
Founder with Guests Holding Stefan Loose Guidebook (Homestad Era)
Founder with Guests Holding Stefan Loose Guidebook (Homestad Era)
Booking.com Guest Review Award 2015 — Shipping Label (box)
Booking.com Guest Review Award 2015 — Shipping Label (box)
Booking.com Guest Review Award 2015 — Plaque + Award Letter
Booking.com Guest Review Award 2015 — Plaque + Award Letter
History & continuity.
Since 2016JVTO is not a new startup. We have a documented history of operational excellence and the same legal entity since day one.
- '15
2015 · Guesthouse
Mr. Sam opens the Ijen Bondowoso Homestay on Jl. Khairil Anwar No.102. Booking.com guests rate it 9.4/10.
- '16
2016 · PT incorporation
PT Java Volcano Rendezvous incorporated 2016-01-01 at the same Bondowoso address.
- '18
2018 · Stefan Loose listing
Stefan Loose Reiseführer Indonesien (4th ed., p. 287) names "Agung" as operator — an independent German guidebook.
- '21
2021 · Independent press
Detik.com and Radar Jember name Bripka Agung Sambuko in Tourist Police duties at Ijen Geopark.
- '23
2023 · TDUP formalized
Tourism Business Permit formalized 2023-02-11. NIB 1102230032918 OSS-verifiable.
- '26
2026 · Today
17 private itineraries; 14-person crew (11 KTA-confirmed); coordinated Ijen health screening with a licensed physician.
Active Tourist Police · POLPAR Bondowoso, POLRI
Police & safety proof.
Tourist Police Leadership
Founder Agung Sambuko is an active member of the Indonesian Tourist Police (POLRI). Official assignment orders (SPRIN) are published in the proof library — independently verifiable.
Ijen Health Screening
When BBKSDA access rules require it (SE.1658/K2/BIDTEK.1/KSA/9/2024), JVTO coordinates the health certificate process with licensed physician Dr. Ahmad Irwandanu — every screening is documented and real.
HPWKI-Certified Guides
All JVTO Ijen guides hold KTA cards from HPWKI — the state-recognized Ijen specialist association. Membership requires BBKSDA-supervised SAR + emergency medical training.
Independent platform ratings.
Trustpilot · Tripadvisor · Google51 verified reviews
View profile →155 reviews · verified location
View profile →21 reviews
View profile →227 independent reviews across three platforms · Trustpilot is the schema-primary source
Verification FAQ.
Is Java Volcano Tour Operator a legal business?
Yes. JVTO operates under PT Java Volcano Rendezvous with Business Identification Number (NIB) 1102230032918, verifiable via oss.go.id (Indonesia Online Single Submission portal).
Is Agung Sambuko really a police officer?
Yes. Agung Sambuko is an active member of the Indonesian Tourist Police (POLPAR), Polres Bondowoso. Official SPRIN assignment orders are published in the proof library below.
How can I verify the documents provided by JVTO?
Documents in the Evidence Locker include a SHA-256 hash. Download the original file and compare its hash to the published value to detect any tampering — mathematically certain proof.
What safety standards does JVTO follow for Ijen Crater tours?
When BBKSDA rules require it (SE.1658/K2/BIDTEK.1/KSA/9/2024), every climber undergoes a formal health screening with licensed physician Dr. Ahmad Irwandanu. HPWKI-certified guides lead all crater descents.