Half Shaft

p35 below Hasta La Vesta and above Captive Wedge (Dehydration/GOB) (1990)

Hall of the Mounting Choss (described from 136)

Long, steeply inclined chamber at the start of Forbidden Land (1996) (also described from the 161 end)

Hammeroids

49m pitch below Tapeworm (1996) named for hammer head which broke off during rigging and was found exactly at the bottom of the rope

Han Solo

14m pitch at start of Bladerunner (1992)

Hangover Hang

Nasty 9m handline climb below Tortoise and Hare in Garden Party (1992)

Hare Rift

Freeclimbable rift paralleling Tortoise Pitch, Garden Party (1992)

Hasta La Vesta

Nasty pitch head (hanging death) halfway down Dehydration, leading onto Half Shaft (1990)

Heart of Gold

Short muddy passage to left in Vogon Constructor Ship (1994)

The Helipad

Chamber near the bottom of Drunk and Stupid (1989)

Hell's Teeth

20m tedious rift below Bottomless Pit of Eternal Chaos (1996)

Hellgrind

Crawl at bottom of Left Hand Route leading to Thumper The Talking Sump (1989)

Henri's Cat

Deep pitch series (from -198 to -424m essentially in a single shaft) from Fine Clean Rock (1996)

A Bad Case of Herpes

Rift below Genital Wart in VD Series near start of Puerile Humour (1996)

Hinge Pitch

Fourth pitch of Dreamtime, below Dreaming Pitch (1990)

Hobnob Passage

Short stretch of passage from Rich Tea to Digestive (1994)

The Hole Below The Pitch Below The Squeeze

The original name for the start of Bladerunner (before 1992)

Hole in the Roof Pitch

30m final pitch in Dreamtime (1990)

How far to Tooting?

First pitch of alternative route below State of Independence? in Interview Blues - the way to Bottomless Pit of Eternal Chaos (1996)

Hymen Crawl

From Dr. Snuggles to Alternative Universe (1996) Named for hammered-out entrance off Moomintroll

Hyper Gamma Spaces

Two different, but adjacent places - both the big space containing Strange Downfall, Upfall and Acrossfall, and also the section of confusing rift at its bottom [C1990-161-04] (not the bit which is Endless) (1990)