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Top 5 deepest ocean trenches

evergreen

The 5 deepest ocean trenches by maximum depth: Mariana Trench (Challenger Deep), Tonga Trench (Horizon Deep), Philippine Trench (Galathea Depth), and more.

Snapshot · 2026-09-23

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  1. 1

    Mariana Trench (Challenger Deep)

    ~10,925 m

  2. 2

    Tonga Trench (Horizon Deep)

    ~10,820 m

  3. 3

    Philippine Trench (Galathea Depth)

    ~10,540 m

  4. 4

    Kuril-Kamchatka Trench

    ~10,542 m

  5. 5

    Kermadec Trench

    ~10,047 m