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Nam Pha Pa Yai sits in the hills of Saraburi province about 130 km northeast of Bangkok, with the climbing camp at the foot of the cliff: tents, tree houses and an earthen bungalow, a restaurant and a farm. Not far from the capital, and rarely noticed by international climbers. theCrag logged 101 routes there on 21 October 2026, graded 4a to 8b.
But the first thing this guide has to say is: the biggest wall at Nam Pha Pa Yai cannot be climbed right now.
What kind of crag this is
Four walls, across the river:
| Wall | Routes | Height | Status |
|---|---|---|---|
| River Wall | 65 | 23 m | Closed since January 2024 over access problems |
| Bat Cave Wall | 17 | 22 m | Climbable |
| Peaceful Wall | 12 | 22 m | Climbable |
| School Wall | 7 | 10 m | Climbable |
theCrag's description of the camp reads: "Two cliffs in one location. One cliff is in the shade all day long, the other one is in the shade at 10 am. Top quality rock."
The sun here works differently from the other crags in this series. theCrag tags River Wall as "morning sun", and for Bat Cave Wall and Peaceful Wall it notes "in the shade at around 10 am but all day long for the easy routes under the trees" — in practice, climb the shaded low-grade lines under the trees at midday rather than baking on the roofs from 11am to 3pm.
What the closure actually costs you
The closure covers that one wall, not the camp. The camp still operates and still takes bookings. But the damage is real:
- The best part of those 65 routes is gone. All ten of theCrag's iconic routes — Mineral Mystic, The Most ... of the World, You are a Legend, Sweet Lip, Jungle's Thai, Babel, Les Chemins de Katmandou, Monty Python's Flying Circus and the rest — are on River Wall. Not one of the 36 routes on the three open walls appears on that list.
- The whole 8a and 8b band is behind the closure: Les Chemins de Katmandou 8a, Monty Python's Flying Circus 8b, (R)Evolution Extension 8a, La Roca 8a, plus Forbidden Condom 7c+ and Babel 7c.
- theCrag's warning on the River Wall page reads "Supposedly closed climbing access a year ago, no signs if it's changed yet" — a warning filed two years ago. Travel notes also record another site marking it "closed indefinitely".
So the current state is: the main wall is shut, nothing announces a reopening, and there is no evidence it is open again. Check theCrag's River Wall page for a new warning before you leave.
When to go
| Period | Conditions | Planning note |
|---|---|---|
| Nov–Feb | Dry season, most comfortable | The best window. Bangkok runs 30–33°C by day and around 23°C at night from December to February |
| Mar | Getting hot | Climb early and late |
| Apr–Jun | The camp is closed | Do not plan this stretch. The camp shuts and neither the restaurant nor the lodging is available |
| Jul–Oct | Monsoon | Walls stay wet and the roads outside the camp are hard in the rain |
The camp closes from April to June — confirm that before you book, not on arrival.
Getting there
Public transport
The official line is that you can arrive by bus, minibus, train or your own vehicle, but there is no timetable and no schedule to look up in advance. This is the thinnest transport information of any crag in this series.
Two routes that actually work in practice:
- Drive or charter — roughly 2 hours from Bangkok (the camp's own FAQ page explains).
- Go with a group. Climbing operators in Bangkok run fixed trips to the camp, and that is the realistic option if you have no car.
By car
About 2 hours northeast out of Bangkok. The camp's own directions page (nppy.camp/faq) has the details.
Parking and the river crossing
You cross the river by zipline. theCrag is explicit: the approach is "very fast approach on flat land, then a 100 meters zip line is installed to cross the river. The pulleys are available at the restaurant of the camp. It takes just a few minutes from the camp to the cliff."
Which means:
- A 100-metre zipline is the only way across the river, and the pulleys are collected at the restaurant.
- It is about 10 minutes on foot from the camp to the cliff.
- The zipline is a height exposure. If you are bringing kids or are uncomfortable with heights, check yourself on that first.
Rules to know before you go
Fees
theCrag marks the camp Paid: 100 THB for the zipline and parking, even if you are not staying at the camp.
It is one of the few Thai crags where the price is written down in public.
The camp itself
theCrag's description of the camp reads like a hostel attached to a farm:
The camp offers cheap accommodation in tents or bungalow (tree house and earthen house). Thai and international food is served at the restaurant. It works a bit like the mountain refuge — no menu, but a daily proposal from the chef depending on what is given by the garden of the camp or the local market.
This is a camp-based crag, quite unlike Krabi where you go back to your hotel at the end of the day. You can sleep at the foot of the cliff and walk 10 minutes to the routes. That is worth a lot for multipitch or multi-day trips.
Bolts
theCrag carries no per-route bolt information for Nam Pha Pa Yai, so there is no published bolt data for this crag. Central and southern inland crags are classed as "benign" with lower corrosion risk in the same material study (Crag Chemistry 2024-09). But no data does not mean no problem — check the gear yourself as always.
The main wall warning
The access warning on the River Wall page has not been lifted. The page was last updated on 14 October 2026 and the warning is still there.
Routes by level
YDS and V-grade conversions follow the Mountain Project international grade comparison chart and are approximate; "approx." marks grades the sources give without a/b/c (such as 4 or 5+). The original grade is the one that counts.
The tables below are split into two groups: the three walls you can climb now, and the closed main wall. That distinction is the whole point of this guide — of 101 routes, only 36 on Bat Cave Wall, Peaceful Wall and School Wall are currently climbable, and all 65 River Wall routes are marked as closed.
Beginner: up to 6a (YDS 5.10a and below)
Of the walls that are open, School Wall is the easiest, with short 4s and 5s. Peaceful Wall has a couple of 5+s too.
| Route | Grade | YDS | Length / pitches | Sector | Notes |
|---|---|---|---|---|---|
| Moon Dance | 4 | approx. 5.4–5.5 | 10 m | School Wall | ★ |
| Ninja Turtle | 4+ | approx. 5.6 | 10 m | School Wall | ★ |
| Tree Swing | 4+ | approx. 5.6 | 10 m | School Wall | ★ |
| Pokemon | 4+ | approx. 5.6 | 8 m | School Wall | |
| Kitty Corner | 5 | approx. 5.7–5.8 | 11 m | School Wall | ★ |
| Gangnam Climb | 5 | approx. 5.7–5.8 | 8 m | School Wall | |
| Banksters | 5 | approx. 5.7–5.8 | 16 m | Bat Cave Wall | |
| Boua Loye | 5 | approx. 5.7–5.8 | 18 m | Bat Cave Wall | ★★ |
| Ratatouille | 5+ | approx. 5.9 | 18 m | Bat Cave Wall | ★ |
| Fourth World | 4+ | approx. 5.6 | 10 m | Bat Cave Wall | |
| Acupuncture | 5+ | approx. 5.9 | 30 m | Peaceful Wall | ★★ |
| Daecalus | 5+ | approx. 5.9 | 25 m | Peaceful Wall | ★ |
Intermediate: 6a+ to 6c+ (YDS 5.10b–5.11c)
The middle grades on Bat Cave Wall and Peaceful Wall cluster from 6a to 6c, 9 to 32 metres long. Peaceful Wall lives up to its name — it has the friendliest sun and space of the three.
| Route | Grade | YDS | Length / pitches | Sector | Notes |
|---|---|---|---|---|---|
| Carabao Daeng | 6a | 5.10a | 13 m | School Wall | ★ |
| Phra Pajak Kutajitto | 6a | 5.10a | 9 m | Bat Cave Wall | ★ |
| Zero Point Energy | 6a | 5.10a | 27 m | Bat Cave Wall | ★★; a unique line that leads to the top inside the tube/chimney, 3D stemming |
| Mescaline | 6a | 5.10a | 22 m | Peaceful Wall | ★★ |
| Didjeridoo | 6a+ | 5.10b | 22 m | Bat Cave Wall | |
| Hinayana | 6a+ | 5.10b | 28 m | Peaceful Wall | ★★ |
| Politik Kills | 6b+ | 5.10d | 28 m | Bat Cave Wall | ★★ |
| Emmenez-moi | 6b+ | 5.10d | 13 m | Bat Cave Wall | ★★ |
| Jojo's toilet | 6b | 5.10c | 20 m | Peaceful Wall | ★★ |
| Lcarus | 6b+ | 5.10d | 25 m | Peaceful Wall | |
| Mahayana | 6b+ | 5.10d | 28 m | Peaceful Wall | ★ |
| Prescription for Mental Masturbation | 6b | 5.10c | 25 m | Bat Cave Wall | ★★ |
| Huevos a la Mexicana | 6c | 5.11a/b | 28 m | Bat Cave Wall | ★★ |
| The Cure | 6c | 5.11a/b | 32 m | Bat Cave Wall | ★★ |
| Detail of Beauty | 6c | 5.11a/b | 22 m | Peaceful Wall | ★★ |
| Full Moon's Spirit | 6c | 5.11a/b | 13 m | Peaceful Wall | |
| Sephia | 6c+ | 5.11c | 21 m | Peaceful Wall | ★ |
| Womb of Creation | 6c+ | 5.11c | 12 m | Peaceful Wall |
Advanced: 7a to 7c+ (YDS 5.11d–5.13a)
There are 7s on the open walls too, but only six of them, and four have no length listed on theCrag. theCrag's note on Yin Yang reads "Solid, Classic, Technique & Very Sustain — one of the best 7a+".
| Route | Grade | YDS | Length / pitches | Sector | Notes |
|---|---|---|---|---|---|
| Surfer Rosa | 7a+ | 5.12a | 27 m | Bat Cave Wall | ★★★; one of theCrag's iconic routes |
| Yin Yang | 7a+ | 5.12a | — | Bat Cave Wall | ★★★; rated among the best 7a+ here — solid, classic, sustained |
| Into the Wild | 7b | 5.12b | — | Bat Cave Wall | ★★★ |
| Super Nature | 7c | 5.12d | — | Bat Cave Wall | |
| Sonic Youth | 7c | 5.12d | — | Bat Cave Wall | ★★★ |
| Anahata | 7b | 5.12b | 13 m | Peaceful Wall | 0 ascents |
Expert: 8a and up (YDS 5.13b and up)
There are no 8a routes on the walls that are open. Every 8a and 8b in theCrag's Nam Pha Pa Yag listing is on the closed River Wall.
| Route | Grade | YDS | Length / pitches | Sector | Notes |
|---|---|---|---|---|---|
| La Roca | 8a | 5.13b | 39 m | River Wall | ★★★; grade pending more ascents; closed |
| Les Chemins de Katmandou | 8a | 5.13b | 39 m | River Wall | ★★★; one of theCrag's iconic routes; closed |
| (R)Evolution Extension | 8a | 5.13b | 40 m, 2 pitches | River Wall | ★★★; extension of (R)Evolution; closed |
| Monty Python's Flying Circus | 8b | 5.13d | 12 m | River Wall | ★★★; one of theCrag's iconic routes; closed |
The closed main wall (River Wall)
These 65 routes are where Nam Pha Pa Yai's real value sits, and they are also the part you cannot climb. They are listed so you can judge whether a reopening is worth waiting for, and so you can read the beta while you are already at the camp.
- 4+: Tee Rek Soo Soo (11 m)
- 5+: Madagascar (60 m, 5 pitches, needs a 70 m rope to lower), The Ultimate Root (11 m), Hin Tok (12 m)
- 5c: Come Inside Me (11 m), Go Left Go Right (12 m), La Moukat (8 m)
- 6a: Lord of the flies (14 m), Birth Canal (12 m), Mae Mod (8 m), Sadao (14 m), On the Rock (28 m), (R)Evolution (16 m)
- 6a+: Santa (8 m), Sadoong / สะดุ้ง (14 m), Koutoukou (15 m), Sea Lover (18 m), Gaelita (18 m), Protect Me (20 m), Mineral Mystic (20 m), Tiramisu (23 m)
- 6b+: Out of the Moves (12 m), Local Solution for Global Confusion (20 m), The Most ... of the World (30 m), Verdon Paradise (28 m), Café Bolan (28 m)
- 6b: Loving Kindness (14 m), Meditation (14 m), Democrature (15 m)
- 6c: Hansan (14 m), Buy Ha Beer (13 m), Hoopoe (22 m), You are a Legend (26 m)
- 6c+: District 9 (26 m), Expertease (31 m)
- 7a: 62 b.p.m. (18 m), To exist is to resist (18 m), Scarface (21 m), Sweet Lip (20 m), Slab Paradise (37 m), Siam Paradise (35 m), Exhale (31 m), The Spiral Dance (18 m)
- 7a+: Voltarèn (28 m), Maitika (22 m)
- 7b: Rhodan Weder Moskau (16 m), Rocco Siffredi (15 m), Fat Lip (34 m), Hongthong Power (24 m), Jungle's Thai (31 m), Inhale (28 m), Crackodile (31 m), Hippy Punk (28 m), Pasak Ride (27 m)
- 7b+: No Breakfast (23 m), Zenzile (34 m), Neua Neua (35 m), Free Papua (28 m)
- 7c: Babel (34 m), Stop Monsanto (33 m)
- 7c+: Forbidden Condom (30 m)
- 8a: La Roca (39 m), Les Chemins de Katmandou (39 m), (R)Evolution Extension (40 m, 2 pitches)
- 8b: Monty Python's Flying Circus (12 m)
Two notes are worth pulling out. To exist is to resist (7a) is described as "7a to the first anchor and 8? project to the second anchor" — the upper half of that route is unfinished. And Les Chemins de Katmandou (8a) carries the note "the topo from NPPY camp still says that this route is 8a, need more ascent to confirm the exact grade".
Is the trip still worth it
Judged on what you can actually climb now, no — not worth a special journey.
The reasoning is straightforward: the camp still takes bookings, the 100 THB zipline and parking fee is clear, and the April–June closure is documented. All of that still holds. But the closure takes 65 of 101 routes away, including every 8a and 8b route and every route theCrag names as iconic. What remains — 36 routes across Bat Cave Wall, Peaceful Wall and School Wall — has no iconic route of its own and the least documentation.
Three things would change that answer, any one of them:
- The main wall reopens. Nam Pha Pa Yai would then be one of the best hard limestone crags near Bangkok, with a density of 8a and 8b routes that is rare anywhere in Thailand.
- You are going to stay at the camp anyway. Camp lodging plus a quiet environment is worth something on its own.
- You are going with a group. A group trip handles transport and the river crossing, and you avoid solving the no-timetable problem.
Before you go, do two things: check theCrag's River Wall page for a new warning or a reopening notice, and ask the camp directly (nppy.camp) whether the main wall is open.
Where to look things up
- Online databases: theCrag's Namphapayai Camp page has all 101 routes, the four-wall structure, camp and fee details. The River Wall page has 65 routes one by one and the access warning that has not been lifted. This is the first place to check whether the main wall is open.
- The camp's own pages: nppy.camp describes the crags, nppy.camp/faq covers access and transport, and there is an accommodation page. Ask the camp about the main wall's status, because the camp is the operator.
- Guidebooks: grades and route counts here come mainly from online databases; the guidebook is the authority. The guide that covers Nam Pha Pa Yai is the Central & Northeast Thailand Rock Climbing Guidebook (Matthieu Le Gall and Pleum Chenaphun, 1st edition 2018, 350-plus routes covering Nam Pha Pa Yai, Muaklek, Khao Yoi, Kanchanaburi and Khon Kaen), sold by Kinetics Climbing in Singapore for SGD 34.90, with all proceeds going to bolting and rebolting in Thailand. It is the 2018 edition, so pair it with the online data for the main wall's status and bolt condition.
References
- theCrag: Namphapayai Camp
- theCrag: River Wall (access warning)
- theCrag: Bat Cave Wall
- theCrag: Peaceful Wall
- theCrag: School Wall
- Nam Pha Pa Yai camp official site
- Nam Pha Pa Yai camp FAQ
- Nam Pha Pa Yai camp accommodation
- Mountain Project: Namphapayai Camp, Saraburi
- Mountain Project: Phasak River Wall (closed indefinitely)
- Kinetics Climbing: Central & Northeast Thailand Rock Climbing Guidebook
- Crag Chemistry: Thailand crags (corrosion risk inland)
- thailand-weather.org: Thailand climate