Staying Home Sucks, home
Castle hill New Zealand Rocks 2
Submarine Boulder. Photo: Borvan53, CC BY-SA 3.0, Wikimedia Commons

Submarine Boulder

Climbing area · New Zealand

Is it worth the trip?

47Fair out of 100 for your dates

Stay home

Best on Sun 8: Rock wet: dry in about 6 h, Rock about 15 °C

Each day of your trip, out of 100

Mon 2 · 0 out of 100

Rock
Wet
Rock temp
8°C
Air
11°C
Rain
27.7 mm

Tue 3 · 0 out of 100

Rock
Wet
Rock temp
12°C
Air
13°C
Rain
0.6 mm

Wed 4 · 0 out of 100

Rock
Wet
Rock temp
10°C
Air
14°C
Rain
0.9 mm

Thu 5 · 86 out of 100

Rock
Dry
Rock temp
17°C
Air
16°C
Rain
0.2 mm

Fri 6 · 0 out of 100

Rock
Wet
Rock temp
13°C
Air
13°C
Rain
0.9 mm

Sat 7 · 61 out of 100

Rock
Wet
Rock temp
16°C
Air
16°C
Rain
7.2 mm

Sun 8 · 91 out of 100

Rock
Wetdry in 6 h
Rock temp
15°C
Air
17°C
Rain
0 mm

Tap a day for rock, its warmth, the air and rain. Full forecast

Forecast: next 10 days

Full forecast
  1. Sun 10, poor
  2. Mon 20, poor
  3. Tue 30, poor
  4. Wed 40, poor
  5. Thu 586, good
  6. Fri 60, poor
  7. Sat 761, good
  8. Sun 891, good
  9. Mon 991, good
  10. Tue 1020, poor

The spot in four facts

  • 2 cragsmapped within 5 km
  • Limestonethe rock
  • Boulderingstyles
  • Best Jan–Apr4 good days in 7

Full forecast

every day, every number

The score doesn't know loose rock, seepage, access bans or your skill.

Weather forecast and score for each day at Submarine Boulder
DayScoreRockRock tempAirRain
Sun 1Nov0, poorDry12°C11°C0 mm
Mon 2Nov0, poorWet8°C11°C27.7 mm
Tue 3Nov0, poorWet12°C13°C0.6 mm
Wed 4Nov0, poorWet10°C14°C0.9 mm
Thu 5Nov86, goodDry17°C16°C0.2 mm
Fri 6Nov0, poorWet13°C13°C0.9 mm
Sat 7Nov61, goodWet16°C16°C7.2 mm
Sun 8Nov91, goodWetdry in 6 h15°C17°C0 mm
Mon 9Nov91, goodDry16°C17°C0 mm
Tue 10Nov20, poorWet14°C14°C1.8 mm

Rock and air are in °C, the rock's with the sun on it; rain in mm. More

Forecast updated . It refreshes every three hours. Forecast data: ECMWF, DWD, Météo-France and NOAA, served by Open-Meteo.com (CC BY 4.0). Changed by us. Generated using E.U. Copernicus Marine Service Information.

Map

the area and its town

Each place wears its best day on these dates: green good, amber fair, pale red poor, as the key says.

Town

The map needs JavaScript. Every place on it is listed on this page, and each place's page links to Google Maps.

One finger scrolls the page; two fingers move the map. Pins are our own positions. Map OpenFreeMap, © OpenMapTiles, data © OpenStreetMap contributors.

Photos of Submarine Boulder

Limestone outcrops Canterbury
Photo: Bernard Spragg. NZ from Christchurch, New Zealand, Public domain, Wikimedia Commons
Castle Hill Limestone outcrops.
Photo: Bernard Spragg. NZ from Christchurch, New Zealand, Public domain, Wikimedia Commons
Castle hill New Zealand Rocks inside
Photo: Borvan53, CC BY-SA 3.0, Wikimedia Commons

About

the place in full, sources, credits

About Submarine Boulder

2 crags mapped. Bouldering. Limestone. Best from Jan to Apr. The nearest town to stay in is Castle Hill.

  • Crags 2 crags mapped.
  • Styles Bouldering.
  • Rock Limestone.

From OpenStreetMap: the crags mapped within 5 km. Check access and bans locally.

Crags: © OpenStreetMap contributors (ODbL).

The score is the conditions only: the journey, the price and the partners never change it (how we score, how we earn).

Rough cost (estimate): about US$1,760–US$3,380 each

about US$1,760–US$3,380 each · 6 nights, 2 sharing: flights, hire car, stay, food, climbing instructor.

Our estimate from typical public prices, not a quote: check the real prices before you book (where they come from). Prices are about, in US Dollar (USD): our pound figures at the European Central Bank's rate of 30 October 2026.

How we worked it out 
Rough cost per person for this trip
WhatHow we worked it outEach
Flightsreturn MDW to CHC, estimated from distance and season, changing at SFO, full-service airlines, with a hold bagabout US$858–US$1,780
Hire car6 days, sharedabout US$134–US$228
Stay6 nights, a mid-range double, sharedabout US$342–US$569
Food7 days eating outabout US$301–US$563
Climbing instructor1 day with an instructor, shared; leave it out if you climb on your ownabout US$127–US$234
Totalabout US$1,760–US$3,380

Climbers bring their own kit: it is not in the cost. Prices from public sources, checked in 2026.

Where to stay: Castle Hill

Closest

Castle Hill

5 min by car · 1 place to stay

about US$127/nightcountry average

See 1 place to stay in Castle Hill · Booking.com

About Castle Hill its beds, food and every spot near it

Nearest town: Castle Hill, 3 km. We have not checked places to stay in Castle Hill yet. The nearest beds we have counted are in Methven, 45 km away (about 1h 20m by car). Search before you plan on staying there.

About US$127 a night is our estimate of the country's average 2-star double room that month: not each town's price, and not a quote. Drives are estimates. Prices are about, in US Dollar (USD): our pound figures at the European Central Bank's rate of 30 October 2026.

Getting there: about 27h 30m

About 27h 30m door to door from Chicago

Fly MDW → CHC, changing at San Francisco International Airport (SFO), then 1h 35m by road

An estimate, one way; the journey never changes the score.