Wat Arun is the iconic riverside temple with the steep porcelain-covered prang that looks spectacular from a boat. Up close it's busy but manageable. Expect to spend 45-90 minutes total. The main draw is climbing the central tower for panoramic river and city views. The stairs are very steep and narrow, especially on the way down, so it's not ideal if you have bad knees, vertigo, or are traveling with small kids. The temple grounds themselves are peaceful early in the day with decent photo opportunities and fewer crowds than the Grand Palace.
Best time to visit is November to February when it's cooler. Go early morning (first ferry around 8am) or late afternoon for softer light and to avoid the worst heat. Expect to pay around 50-250 baht total per person depending on whether you just buy the basic entrance ticket or add a simple boat crossing and optional guide. Skip the expensive half-day combined tours that bundle it with Wat Pho and the Grand Palace unless you really want structured transport and commentary – it's easy and cheaper to do independently by Chao Phraya river ferry.
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