The person at the center of this case
Eberhard Prange
Missing Person · Open
35 years waiting · since 1991
Missing Person: Eberhard Prange
Justice for Eberhard Prange — the trail went cold in 1991, but the truth hasn't.
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Key leads to think about
📍
location
Lead #1Why did the couple plan to hike into the Grand Canyon, and which specific trail were they attempting?
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person
Lead #2What happened to Sibylle (MP160303), Eberhard's wife, and does her account of events match the timeline?
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evidence
Lead #3Were any personal belongings, camping gear, or remains ever found in the Grand Canyon search areas?
Eberhard Prange, a 32-year-old German tourist, disappeared in early May 1991 shortly after arriving in the United States with his new wife Sibylle. Last known contact was May 2, 1991, in Grand Canyon Village, Arizona, where the couple had indicated plans to hike into the canyon. Despite decades of investigation by the Coconino County Sheriff's Office, his fate remains unknown and no trace of him has been recovered.
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
⏰
timeline
Lead #4Why was the case not reported to authorities until September 1991, over four months after the disappearance?
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clue
Lead #5What details were in the letters Eberhard sent to his parents, and did they provide any additional clues about their plans or concerns?
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Official wording
Source Narrative
NamUs case MP160129. Missing person: Eberhard Prange.
Last known contact: 1991-05-02 in Grand Canyon Village, Coconino, AZ. Circumstances: Eberhard and his wife, Sibylle (MP160303) arrived in the US from Germany on 4/15/1991, flying to Las Vegas via New York.
According to a letter written to his parents, they spent a few days in New York, then flew on to Las Vegas and were married there on 4/25/1991. On 5/4/1991, they utilized the Valley National Bank at Grand Canyon to send money back to Germany.
He last sent a letter written to his parents indicated that they planned to go into the canyon on a trail and not leave. Demographics: 32 years, Male, White / Caucasian.
Physical description: 5 ft 9 in, 150 lbs, hair: Brown, eyes: Hazel. Investigating agency: Coconino County Sheriff's Office | S22-00277 | 1991-09-17.
Timeline of Events
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1991-04-15
Arrival in United States
Eberhard and Sibylle arrived in the US from Germany, flying to Las Vegas via New York
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1991-04-25
Marriage in Las Vegas
Eberhard and Sibylle were married in Las Vegas
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1991-05-02
Last known contact
Last known contact in Grand Canyon Village; couple indicated plans to hike into the canyon
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1991-05-04
Bank transaction
Couple used Valley National Bank at Grand Canyon to send money back to Germany
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1991-09-17
Case reported to authorities
Coconino County Sheriff's Office opened investigation case S22-00277
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:April 15, 1991
Last Updated:September 26, 2026
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Phone: 9287744523
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Case Information
Incident:April 15, 1991
Last Updated:September 26, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 9287744523
You can remain anonymous