JVTO operates as PT Java Volcano Rendezvous, a registered Perseroan Terbatas (limited liability company) under the laws of the Republic of Indonesia. Every credential below is publicly verifiable through an Indonesian government registry — and the source documents are fingerprinted with SHA-256 hashes so they cannot be quietly altered.
Business registration
Three government records establish JVTO as a legal entity with a registered office, a tax identity, and a documented chain of responsibility — the things a roadside agent or a SIM-card WhatsApp number cannot produce.
| Credential | Number & verification |
|---|---|
| Legal name | PT Java Volcano Rendezvous Verify · AHU decree (PDF) |
| AHU · Company registry | AHU-0010187.AH.01.01.TAHUN 2023 Verify · ahu.go.id company search |
| NIB · Business Identification Number | 1102230032918 Verify · oss.go.id (Online Single Submission) |
| TDUP · Tourism Business License | 1102230032918 · issued 2023-02-11 Dinas Pariwisata · Sistem Tanda Daftar OSS |
Business activity codes (KBLI)
Our registration covers the full chain of a real tour operation — booking, operating, and guiding — not a single generic code.
- 79121Travel Agency (Agen Perjalanan Wisata)
- 79911Tour Operator (Penyelenggara Wisata)
- 79921Tour Guide activities (Pemanduan Wisata)
- 79120Travel agency activities (related)
- 62019Computer programming / IT services
Tourism & safety credentials
Holding a business license is the floor. Operating legally inside East Java's conservation areas — and putting credentialed guides on the trail — requires a further stack of authorizations.
| Credential | Identifier & function |
|---|---|
| HPWKI | AHU-0001072.AH.01.07.TAHUN 2024 Himpunan Pelaku Wisata Khusus Ijen — the Ijen guide association, registered under AHU-0001072.AH.01.07.TAHUN 2024. BBKSDA Jawa Timur ran a 3-day search-and-rescue and emergency-medical (PPGD) training for 250 HPWKI guides at Paltuding on 20–22 May 2024. |
| BBKSDA clearance | Operator access to the Kawah Ijen Nature Tourism Park, the conservation area managed by BBKSDA Jawa Timur (bbksdajatim.org). |
| ISIC | Provider ID 259268 · UNESCO-endorsed. Listed ISIC provider — student-pricing eligibility verified in real time via the Alive Verify API. |
| INDECON | Live member of the Indonesian Ecotourism Network — validates the community-based "Local Boys" employment policy. View listing. |
Reviewed
HPWKI licence (KTA) of Anjas.
- SHA-256
- 8f34a7ad
Reviewed
HPWKI licence (KTA) of Gufron.
- SHA-256
- 27216033
Reviewed
Medical credential
Because a health certificate is mandatory for every Ijen guest (BBKSDA SE.35/K2/BIDTEK.1/KSA/1/2024), JVTO coordinates the health-screening workflow with a named, licensed physician — not an in-house printout. The doctor behind every surat sehat is individually auditable.
| Officer | License & verification |
|---|---|
| Dr. Ahmad Irwandanu | Licensed Medical Doctor (Dokter Umum), holding a Medical Practice Licence (SIP). Registered with Kemenkes RI · SatuSehat SDMK · KKI. STR · satusehat.kemkes.go.id KKI · kki.go.id/cekdokter |

Reviewed
Medical Practice Licence (SIP) — dr. Ahmad Irwandanu (Bondowoso)
- Issued by
- DPMPTSP dan Tenaga Kerja Kabupaten Bondowoso
- Number
- 503.446/664/DRU/4/430.9.13/2026
- Issued
- SHA-256
- 82f2535b
Reviewed
Dr. Ahmad Irwandanu attaches a fingertip pulse oximeter to a guest's finger during the Ijen pre-ascent health screening at Baratha Hotel, Bondowoso.
- SHA-256
- bedf0ecd
Reviewed
Forensic integrity — SHA-256 anchors
The source document for each credential is published with a SHA-256 hash in public/llms.txt on our website. A SHA-256 hash is a cryptographic fingerprint: if a single character of a document changes, the hash changes completely. You can compute the hash of any document we send you and confirm it matches — proof the file has not been altered, without us having to release the original.

NIB 1102230032918

TDUP 1102230032918

HPWKI Approval

SPRIN POLPAR

SPRIN WAL TRAVEL 2024-02-12

Press — Detik.com 2021-03-14

Press — Radar Jember 2021-03-24
- NIB 1102230032918fa20dde31bb75e46b061ed14cc6d003f6960c02a9a82c20d8603b0cbf6f7b1b7
- TDUP 110223003291827252d512ddfa74de22a3e3ec10aa3dd40ef88da3eb57349fcd2137411551ee3
- HPWKI Approvaldbb57389b62b1554e4d66ccd82c6888dd4c31cb0f85619601a9befb786ac32c3
- SPRIN POLPAR03c8578dc22956faa366d957badecfe38868d4760359cd8059fb2d6b145dfeab
- SPRIN WAL TRAVEL 2024-02-12179b061eae558943fdccc51d2ea3c8233a704b61f03ca3d212433f3e8d6f3bd3
- Press — Detik.com 2021-03-14a68a0ac0ef30d7d9fc14557832ede29098faf08570f768034fa44d6e38a48490
- Press — Radar Jember 2021-03-24034be340ccd4354374e1f8cad009f501f975df5c5b08f2e75e7a399a3f1f5bba
Why these are costly signals
A credential is trustworthy in proportion to how expensive it is to fake. Each item above is a barrier to entry that an illegitimate operator cannot clear:
- NIB & TDUP require a physical headquarters, tax compliance, and legal liability — ongoing commitments a ghost operator cannot sustain.
- HPWKI crew cards (KTA) requires government-supervised BBKSDA training. It cannot be purchased or self-issued.
- SHA-256 hashes make every document tamper-evident — alteration is mathematically detectable.
These are not marketing badges. Each one is hard to obtain, and an altered copy fails its published hash.
Address continuity
JVTO has operated from the same Bondowoso address since before the company existed. Our office sits at Jl. Khairil Anwar No.102 A, Badean, Bondowoso, Jawa Timur 68214 — the same address where the predecessor "Ijen Bondowoso Homestay" received its Booking.com Guest Review Award (9.4/10) in 2015. The award shipping label, addressed to "Agung, Jl. Khairil Anwar No.102, Bondowoso," documents an unbroken operational presence from the guesthouse era through PT incorporation to today.

How to verify the NIB yourself
- Visit oss.go.id (Online Single Submission).
- Open the public NIB / business-name search.
- Enter NIB 1102230032918 or "PT Java Volcano Rendezvous".
- Confirm the record shows JVTO at the Bondowoso domicile.
Scans of the Akta Pendirian (Articles of Incorporation), the Kemenkumham (AHU) approval letter, the NIB certificate, and the TDUP can be requested directly via WhatsApp before booking — each matched to the SHA-256 hash above.
Frequently Asked Questions
Six questions to ask any operator, answered with evidence
- Who am I trusting?
- Java Volcano Tour Operator (JVTO) is run by PT Java Volcano Rendezvous from its operations office at Jl. Khairil Anwar No.102 A, Bondowoso, under NIB (Business Identification Number) and TDUP (Tourism Business Registration) 1102230032918 and Menkumham decree AHU-0010187.AH.01.01.TAHUN 2023.
- On this pageOpen document
- Who will manage me on the ground?
- Groups of 1–3 guests travel with one English-speaking driver-guide; groups of 4–11 have a driver plus a separate escort guide, and licensed local site guides join where a site requires them. JVTO's Ijen guides carry member cards (KTA) from HPWKI (Himpunan Pelaku Wisata Khusus Ijen, the Ijen guide association) and attended the guide training run by BBKSDA (Balai Besar Konservasi Sumber Daya Alam, the East Java conservation agency) on 20–22 May 2024.
- Where this is answeredOpen document
- What happens across several days?
- One booking covers the whole sequence — pickup, private vehicle, hotels with breakfast, entrance tickets and permits, the Ijen screening where Ijen is on the route, and the final drop-off — and every inclusion is written on the E-Voucher, the binding document.
- Where this is answeredOpen document
- What happens when conditions change?
- When BBKSDA, the Bromo national park or BNPB closes a site, JVTO follows the closure, contacts guests before the day, offers the written Plan-B alternatives for that route, and applies the policy remedies when an element cannot run.
- Where this is answeredOpen document
- How are health and destination risks governed?
- Every guest on an Ijen itinerary is screened before the ascent, at the hotel or the JVTO office, under SOP IHS-SOP-001 with dr. Ahmad Irwandanu as responsible physician; the screening result decides whether the guest climbs, and website content is not a diagnosis.
- Where this is answeredOpen document
- What can I independently verify?
- Each licence, decree and assignment letter JVTO cites is published with its issuer, number and SHA-256 hash, and the company registration can be checked independently in the OSS and AHU registries.
- Where this is answeredOpen document


