Underland: A Deep Time Journey by Robert Macfarlane
Published 2020 · 472 pages · 100,000 words · about 7 hours at an average pace · Narrative Nonfiction, Nature Writing, Travel Writing, Environmental Writing
How hard is Underland: A Deep Time Journey to read?
Underland: A Deep Time Journey scores 58 out of 100 for difficulty on ReadingRate, making it quite demanding. The score is a weighted composite of nine measures: four of how hard the prose is to parse, five of how hard the meaning is to extract.
- Vocabulary: 73 out of 100
- Macfarlane deploys an unusually rich specialized vocabulary — geological terms (karst, speleothem, breccia, grike), mycological terms (hyphae, mycorrhizal, anastomosis), and mythological vocabulary (chthonic, Tartarean, Stygian) appear regularly. He also draws on dialect words, non-English terms, and archaic usage to evoke specific landscapes, giving the prose a density comparable to Moby-Dick's cetological passages, though more varied in domain.
- Sentence structure: 63 out of 100
- Macfarlane writes long, rhythmically sophisticated sentences with multiple embedded clauses and appositional phrases that accumulate geological and emotional detail simultaneously. Sentences frequently span 50–80 words and layer scientific precision alongside lyrical register shifts. Unlike James or Faulkner the syntax remains ultimately navigable, but readers must track compound subordination and abrupt tonal pivots within single sentences.
- Abstraction: 70 out of 100
- The book grounds its most abstract concerns — deep time, human futurity, geological memory, the Anthropocene — in specific physical spaces and first-person experience. Macfarlane moves fluidly between describing the color of limestone in a Somerset cave and meditating on civilizational timescales spanning 100,000 years. The abstraction level is high but never unmoored from the concrete, making it comparable to The Brothers Karamazov's philosophical interludes embedded in dramatic scene.
- Information density: 78 out of 100
- Every chapter packs in geology, ecology, mythology, literary allusion, history, and personal memoir simultaneously. The Onkalo chapter alone covers nuclear physics, Finno-Ugric mythology, communication theory, and geological time. Macfarlane cites Dante, Sebald, and Roger Deakin alongside scientific papers, requiring readers to hold multiple frameworks active at once — a density closer to Gravity's Rainbow's encyclopedic mode than to standard travel writing.
- Narrative indirection: 45 out of 100
- The book is told in a direct first-person voice documenting real journeys, and Macfarlane generally names his meanings rather than withholding them. There is some indirection in the structural movement between mythological, geological, and personal registers — readers must synthesize the significance of each underground space — but meaning is rarely left fully implicit. This places it closer to Heart of Darkness than to Flights, whose 116 fragments demand full reader reconstruction.
- Symbolic density: 72 out of 100
- Every underground space functions at multiple symbolic registers simultaneously: the Paris catacombs as the city's unconscious, the Onkalo repository as a message to unimaginable futures, the glacial meltwater shaft as the planet's wound. Macfarlane explicitly invokes the Orpheus myth, the Persephone myth, and the concept of the 'underland' as both literal and metaphorical terrain. The symbolic loading is heavier than Heart of Darkness but more anchored in physical reality than Moby-Dick's totalizing whale.
- Ironic distance: 28 out of 100
- Macfarlane writes with sincerity and elegiac directness — this is not an ironic text. He is self-aware about the romantic tradition he inhabits and occasionally acknowledges the privilege and strangeness of his expeditions, but there is no sustained gap between what the text says and what it means. The voice is earnest in the way of Romantic nature writing, more Ruskin than Nabokov.
- Resolution withholding: 62 out of 100
- The book refuses comfort at every level. The Finnish nuclear repository chapter poses the question of how to communicate danger across 100,000 years and explicitly leaves it unanswered. The final chapter in Greenland ends with retreating ice and no consolation. Macfarlane states that the underland's primary work is 'keeping' — preservation, burial — but what that means for human responsibility remains genuinely open. Closer to Lolita's open meaning than to Waiting for Godot's pure withholding.
- Structural complexity: 52 out of 100
- The book is organized into three thematic sections ('Descending,' 'Haunting,' 'Reckoning') with nine chapters, each centered on a different underground space. Within chapters, Macfarlane moves between present experience, historical narrative, mythological deep time, and lyrical interludes called glosses. The structure is more complex than conventional travel writing but considerably simpler than Flights' 116 discontinuous fragments or Infinite Jest's fragmented chronology.
How Underland: A Deep Time Journey is regarded
Underland: A Deep Time Journey holds a literary regard score of 71 out of 100, weighing its place in the canon, its critical reception, its influence on other writers, and the standing of its author. Regard is measured separately from difficulty: a demanding book is not necessarily an admired one.