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National park · Thailand

Than Sadet–Ko Pha Ngan National ParkCông viên quốc gia Than Sadet – Ko Pha Ngan

Enter Than Sadet–Ko Pha Ngan National Park for a short waterfall walk (30 min) for about 200 THB, or spend a full day hiking Khao Ra and island trails (5–7 h) in the dry season; avoid the rainy months July–October.

Not field-verified
Source checked
A source and a date are on record: we read it from an official or published page. Not yet confirmed on the ground.
Field checked
Someone checked it on the ground, with the date shown.
Plan calculated
Worked out by Voykit from its own data (times, distances, budgets). A calculation, not a measurement.

Unknown times stay unknown. How we verify

Some areas permit-onlyChecked Sep 2026
More
Map to the park
Directions

Add your hotel to get directions from it. · stays in this browser; shared with the pocket card.

Area

66 km² (25 sq mi)

approximate

Established

1983

Best months

Nov–Feb

UNESCO

None

Rules in force · 6Drug trafficking can carry the death penalty in Singapore…
  • Southeast Asia ↗Drug trafficking can carry the death penalty in Singapore, Malaysia, Indonesia, Vietnam, Laos, Thailand, Brunei and Myanmar; never carry a bag or parcel for anyone.
  • Southeast Asia ↗Carry a passport valid for at least six months from entry with two blank pages; airlines refuse boarding on less.
  • Thailand ↗Check entry rules and any arrival card on the official Thai government sites for your passport; visa-exempt stays and pre-arrival forms change.
  • Thailand ↗Do not criticise or mock the monarchy: insulting the royal family is a criminal offence.
  • Thailand ↗Temples and palaces: shoulders and knees covered, shoes off before entering halls.
  • Thailand ↗E-cigarettes and vapes are illegal to import or use; do not pack them.

At a glance

Country
Thailand
Area
66 km² (25 sq mi)
Park area is reported as 65.93 km² after the 1999 expansion (check).
Established
1983
Best months
Nov–Feb
Permits
For some areas

Than Sadet–Ko Pha Ngan National Park protects the island’s forest, waterfalls and surrounding small islands, offering a short waterfall walk, the island’s highest summit Khao Ra, and coastal trails across the Wao and Hin Bai archipelagos.

Decide

Why go, which months, and what lives here when

At a glance

Status

  • No UNESCO listing; national park since 1983.

Size and age

66 km² (25 sq mi) · national park since 1983

Park area is reported as 65.93 km² after the 1999 expansion (check).

Why go

  • Waterfall and river trail near Than Sadet Bay.
  • Khao Ra summit, the highest point on the island, with panoramic views.
  • Coastal forest and small island scenery in the Wao and Hin Bai archipelagos.

When to go

12-month verdict
  1. JanBest
  2. FebBest
  3. MarGo
  4. AprGo
  5. MayCaution
  6. JunCaution
  7. JulAvoid
  8. AugAvoid
  9. SepAvoid
  10. OctCaution
  11. NovBest
  12. DecBest
  • JanDry, cool, clear trails
  • FebDry, pleasant weather
  • MarStart of hot season, still dry
  • AprHot, low rain
  • MayIncreasing heat, occasional showers
  • JunRainy season begins
  • JulFrequent rain, slippery trails
  • AugHeavy rain, possible closures
  • SepRainy, high humidity
  • OctRain tapering, still wet
  • NovDry, cooler, good visibility
  • DecDry, comfortable temperatures

Wildlife and nature calendar

Seasons shift by weeks each year
Wildlife and nature calendar for Than Sadet–Ko Pha Ngan National Park
WhatJanFebMarAprMayJunJulAugSepOctNovDec
Tropical forest birdsAll yearyesyesyesyesyesyesyesyesyesyesyesyes
Monitor lizardsMar–Sepnonoyesyesyesyesyesyesyesnonono

Arrive & move

Getting in, how the park is divided, and where things are

Show 3 sectionsHideHow to get there, Zones and sectors, Sketch map

How to get there

From Bangkok

Fly to Samui (≈1 h) then ferry to Ko Pha Ngan (≈1 h). From the pier, take a songthaew or taxi 20 min to the park gate.

3–4 h

From Ko Samui

Ferry to Thong Sala pier, then songthaew/taxi to the park gate.

≈1.5 h

From Ko Tao

Ferry to Thong Sala, then road transport to gate.

≈2 h

Zones and sectors

Zones of Than Sadet–Ko Pha Ngan National Park
ZoneWhat is thereAccess
Than Sadet waterfall areaRiver trail, waterfall, beach at Than Sadet Bay.Open with entry ticket.
Khao Ra summitHighest point, viewpoint, steep trail.Open with entry ticket; steep, moderate fitness required.
Wao and Hin Bai islandsSmall offshore islands with coastal forest.Boat trips from the mainland; optional.

Sketch map

Approximate — not for navigation
Sketch map of 3 approximate points in Than Sadet–Ko Pha Ngan National Park, north up123
Coordinates approximate, centred on the main waterfall area.
  1. 1Than Sadet waterfall · Viewpoint≈9.750, 100.074Map ↗
  2. 2Khao Ra summit · Viewpoint≈9.756, 100.080Map ↗
  3. 3Thong Sala pier · Town≈9.735, 100.064Map ↗

Take the points offline

GPX waypoints · approximate

3 points as a GPX waypoint file, plus a plain-text list of coordinates. Save it while you have signal: maps apps show the points without a connection.

Coordinates approximate, centred on the main waterfall area.

See & do

Caves, trails and wildlife, with how hard each is and whether it needs booking

Show Top experiencesHide

Top experiences

TrailsEasy30 minThan Sadet waterfall walkWell‑marked path to the waterfall and beach.
ViewpointsModerate3–4 h round tripKhao Ra summit hikeSteep sections, bring water; best early morning.
TrailsModerate2–3 hCoastal walk to Hin BaiScenic cliffs, occasional steps; optional boat transfer.

Practical

Fees, permits, rules, where to sleep and what can go wrong

Show 8 sectionsHideEntry fees and permits, Park rules, Where to stay, Safety, Accessibility, Visiting lightly, Questions people ask, Related

Entry fees and permits

THB ranges · check
Fees for Than Sadet–Ko Pha Ngan National Park
ItemRangePerNote
Park entry (adult)THB 200 (≈ US$7)person2026 estimate
Park entry (child 7‑12)THB 100 (≈ US$4)person2026 estimate

Ranges, not quotes: fees change without notice. Check with the park or your operator · checked Sep 2026.

Park entry permit or guide

Ticket at the entrance gate near Than Sadet waterfall.

What would our group pay?

from the fee rows above · estimates

People

2

Nights or days

1
  • ฿200≈ US$7
  • ฿100≈ US$4

Tick the fees that apply to your trip to see a total.

A guide, not a quote: the ranges are estimates (checked 2026-09) and each fee may have rules on who pays it. Check with the park or your operator before you go.

Park rules

Drones, guides, camping and more
Drones
Not allowed without permission from park authorities.
Camping
Not permitted inside the park; use designated campsites outside.
Fires
Open fires prohibited; use approved grills at designated areas.

Where to stay

Near the park

Thong Sala town

Guesthouses and hotels 20 min from the park gate.

Near the park

Haad Rin

Hostels and resorts, 30 min drive to the gate.

Safety

Heat and steep steps medium

Start early, carry water, wear sturdy shoes.

Rain‑induced landslides high

Avoid trails during heavy rain; check forecasts.

How much daylight do you have?

computed for this spot

Time out

Finding the local time zone…

Times are local to the spot (zone loading). The half-hour margin is our rule of thumb, not an official figure; light fades earlier in forest or under cloud. Carry a headlamp on any route that could run late.

Accessibility

  • Main entrance and waterfall trail are wheelchair‑friendly with short, paved sections.
  • Khao Ra summit trail is steep and not suitable for limited mobility.

Visiting lightly

  • Stay in locally‑run guesthouses; support community businesses.
  • Carry out all litter; avoid single‑use plastics.

Questions people ask

How much does it cost to enter Than Sadet–Ko Pha Ngan National Park?

Adult entry is 200 THB, children 7‑12 pay 100 THB; tickets are bought at the park gate.

What are the best hikes in Than Sadet–Ko Pha Ngan National Park?

The short waterfall trail (30 min) and the Khao Ra summit hike (3–4 h) are the most popular routes.

When is the best time to visit Than Sadet–Ko Pha Ngan National Park?

The dry season from November to February offers the clearest trails and best views.

Can I camp inside the park?

Camping is not allowed inside the protected area; use nearby campsites or guesthouses.

Are drones allowed for photography?

Drones require permission from park authorities and are generally prohibited.

Deep dive

Every source; fees and rules change, so check before you go

Show the detailsHide

Ask about Than Sadet–Ko Pha Ngan National Park

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