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Brendon Allen Nepon

The person at the center of this case

Brendon Allen Nepon

Case
#4142
SourceNamus MissingUpdated Aug 26, 2026
King County Sheriff's Office
Missing Person · Open
6 years waiting · since 2020

Missing Person: Brendon Allen Nepon

Justice for Brendon Allen Nepon — the trail went cold in 2020, but the truth hasn't.

Start here

Key leads to think about

🔍
evidence
Lead #1

What was the condition of Brendon's vehicle when found, and were there any personal belongings inside that might indicate his plans?

📍
location
Lead #2

Has the Snow Lake trail been thoroughly searched, and are there areas of difficult terrain where someone could become stranded or injured?

👤
person
Lead #3

Did Brendon have any hiking experience or familiarity with the Snow Lake trail, and was this a routine hike for him?

Brendon Allen Nepon, a 37-year-old male, went hiking with his dog at the Snow Lake trailhead at Snoqualmie Pass on September 27, 2020, and neither he nor the dog have been seen since. His vehicle was discovered at the trailhead, suggesting he did begin the hike as planned. The case remains unsolved, and investigators seek any information about his disappearance or potential sightings in the area.

Case
#4142
SourceNamus MissingUpdated Aug 26, 2026
King County Sheriff's Office

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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.

💡
clue
Lead #4

The dog was wearing a mostly green harness—has anyone reported sightings of a dog matching this description in the area since September 2020?

👁️
witness
Lead #5

Were there other hikers on the trail that day who might have seen Brendon or his dog?

Have information about any of these leads?

Even the smallest detail could be the key to solving this case.

Official wording

Source Narrative

NamUs case MP74359. Missing person: Brendon Allen Nepon.

Last known contact: 2020-09-27 in Snoqualmie Pass, King, WA. Circumstances: Brendon went hiking with his dog at the Snow Lake trailhead at Snoqualmie Pass and neither returned.

Vehicle was found at the trailhead. Demographics: 37 years, Male, White / Caucasian.

Physical description: 5 ft 10 in, 170 lbs, hair: Brown, eyes: Brown. Clothing and accessories: Other: Clothing unknown, but accompanying dog likely had on a mostly green harness.

Investigating agency: King County Sheriff's Office | C20031208.

Timeline of Events

👤
2020-09-27

Last known contact

Brendon Allen Nepon went hiking with his dog at Snow Lake trailhead at Snoqualmie Pass. Neither he nor the dog returned. Vehicle was found at the trailhead.

Key Locations
Interactive map showing important locations related to this case

Case Information

Incident:September 27, 2020
Last Updated:September 27, 2026

Have Information?

Any information, no matter how small, could be crucial to solving this case.

Phone: 2062632080
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Case Information

Incident:September 27, 2020
Last Updated:September 27, 2026

Have Information?

Any information, no matter how small, could be crucial to solving this case.

Phone: 2062632080
You can remain anonymous