Bangkok Districts
Phra Nakhon Flood Risk
Covers Rattanakosin Island, Grand Palace, Khao San Road
Bangkok's historic core on Rattanakosin Island, home to the Grand Palace, Wat Phra Kaew, and Khao San Road — bounded by the Chao Phraya River on one side and old city canals on the other.
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Overall risk score
MODERATE — 40/100
Computed from 3 available factor(s), fixed and explainable weighting (details below).
Elevation
9.0m
Flood episodes
1/14
Distance to canal/river
99m
Historical flood timeline
2011
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Factors included in the score
Ground elevation (weight 40%)15/100
Elevation: 9.0m — comfortable (5-10m) (Bangkok average ≈ 1.5m).
Flood history (GISTDA) (weight 35%)40/100
1 flood episode(s) detected over 14 years (2011).
Distance to nearest canal/river (weight 25%)80/100
« Khlong Lot Wat Ratchanatda » at 99m.