Lake Tahoe's poisoned-pine mystery: $147,000 reward offered

Accuweather
Original Story by Accuweather
September 21, 2026
Lake Tahoe's poisoned-pine mystery: $147,000 reward offered

At Burnt Cedar Beach on Lake Tahoe’s north shore, 28 mature pine trees have been deliberately poisoned over four years, with holes bored into trunks and copper sulfate injected before diesel is poured around roots. Investigators have not named a suspect, though community members speculate the vandalism could be aimed at boosting property values by improving lake views. The incident has spurred a combined $147,000 reward for information leading to an arrest and prosecution, while officials install cameras and assess environmental impacts as the trees die slowly. The case highlights tensions in an affluent area where a natural asset underpins high property values, with a March 2027 tip deadline and a two-year prosecution condition. The investigation remains active with no identified motive or culprit yet determined.

Dive Deeper:

  • Between 2022 and 2024, six trees were targeted in 2022 and another six in 2024, bringing the total to 28 affected trees at Burnt Cedar Beach in Incline Village, Nevada.

  • The attack pattern involved boring holes into trunks, injecting a copper sulfate solution to disrupt water and nutrient transport, and spreading diesel fuel around the tree bases to contaminate soil and harm roots.

  • The damaged trees include some that were more than a century old, and officials describe the mature trees as almost irreplaceable, with the destruction contributing to an estimated damage value exceeding $300,000.

  • The Incline Village General Improvement District and environmental experts are actively trying to salvage some trees while assessing soil and ecological impacts, and the beach remains open to the public.

  • Authorities have installed security cameras at Burnt Cedar Beach, and a $147,000 reward pool combines district funds with private donations from a group called Friends of Burnt Cedar Beach; tips must lead to an arrest and prosecution to be eligible.

  • Tips can be submitted to the Washoe County Sheriff’s Office or anonymously via Secret Witness, with a deadline of March 31, 2027, and a requirement that the information results in a prosecution within two years.

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