Lake Sumner (Hoka Kura) Forest ParkCanterburyGreat Walks · CanterburyCanterburyEndStart5 kmN ↑

Jollie Brook Circuit other trails nearby (tap a dot to open it)

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NZ Department of Conservation (CC BY 4.0) · OpenStreetMap · Official page · Basemap: OpenFreeMap (OpenMapTiles, © OSM contributors).

7-day forecast

Open-Meteo (CC BY 4.0)

Best time to hike

Best months: Oct–Apr · highs 12–19 °C (54–66 °F)

  1. J19°10°81
  2. F18°10°66
  3. M16°8°79
  4. A13°6°83
  5. M10°3°90
  6. J6°1°107
  7. J5°0°104
  8. A7°1°97
  9. S10°3°95
  10. O12°4°115
  11. N15°6°96
  12. D17°9°95

Average high °C · low °C · precipitation mm per month. Highlighted: best months.

How we pick months

Best months are those where the 1981–2010 average daily high is 10–27 °C (50–81 °F), the average overnight low is 0 °C (32 °F) or warmer, and average precipitation is 200 mm (7.9 in) or less. Values are long-term monthly averages for the ~1 km cell at the trail point on the map, from CHELSA V2.1 climatologies (Karger et al., CC0), not a forecast. Higher or more exposed parts of a route can be colder, wetter or snowier.

About this trail

The Jollie Brook Circuit starts and finishes off Lake Sumner Road. There are many river crossings.

NZ Department of Conservation (CC BY 4.0).

Trail facts

Length
28 km · 17 mi (DOC route geometry)
Source
NZ Department of Conservation (CC BY 4.0)
Difficulty
Very hard (9/10) (Advanced, Expert · NZ Department of Conservation difficulty (CC BY 4.0))
Typical time (DOC)
18 hr 30 min
Official page
doc.govt.nz/link/bdec30c539cd4d04bd6b42b152f
Mountain range
Glynn Wye Range (Inland Southern Alps › Southern Alps; GMBA)
Nearest town
50 km SW of Hanmer Springs (Hurunui District, Canterbury) · GeoNames
Park or forest
Lake Sumner (Hoka Kura) Forest Park
Best months
Oct–Apr
Country
New Zealand
Region
Canterbury
Continent
Oceania
Route centre
-42.7518, 172.3005
How it’s scored

Very hard (9/10). Official rating: Advanced, Expert · NZ Department of Conservation difficulty (CC BY 4.0).

A score is omitted when we do not have an official rating or enough measured length and elevation gain to compute one. Nothing is guessed. Read the NPS method: https://www.nps.gov/shen/planyourvisit/how-to-determine-hiking-difficulty.htm

Hikers can rate difficulty from 1 to 10 (1 = flat, short, easy walk for anyone; 3 = gentle hills, a little effort; 5 = moderate climbs, some fitness needed; 7 = steep or long, solid fitness required; 10 = extremely strenuous or technical; long steep climbing; experienced hikers only). The community average is shown once at least 3 people have rated the trail; until then the official or computed score is used when we have one.

Nearest trails

distance from the trail centre

All trails in Canterbury → · All 1,167 trails in New Zealand →