Paved · listed, not ranked
459.0 m · net rise 47.5 m · total ascent 48.3 m · overall 10.3% · evidence quality A (high) · Neumarkt in der Steiermark · Steiermark
Shape: sustained — 41% of the climbing sits in a quarter of the distance; longest continuous stretch at 10%+ is 136 m.
Found purely from mapping and LiDAR data, and not yet matched against books, race records or lists — it may be well known to locals under a name we've never heard. It was cross-checked against the GIP.at road network, OpenStreetMap and a second terrain model, but a discovery can still be an artifact of the terrain model or the map. Treat it as a well-evidenced hypothesis until someone has ridden it. If you know this road, tell us what you found — photographs, corrections and local knowledge all welcome; the map links below let you scout it first.
≈ Overhead cover (tree canopy or structures) spans 25% of this route — detected by comparing the surface model (DSM, treetops and rooftops) against the terrain model (DTM, bare ground). Under cover the bare-ground model is built from fewer laser returns, so metre-scale readings can wobble; maxima whose window sits in a covered zone are marked ≈ below — less certain — the flag does not say whether the true value is higher or lower. Longer windows average over more clean ground and are steadier.
Bergstraße (Neumarkt in der Steiermark, Steiermark) is 459.0 m long at 10.3% overall; its steepest 25 m averages 23.3% and its steepest 100 m 17.6%, measured from Austria's national 1 m airborne-laser terrain model along the mapped road centreline.
Gradient ladder what do windows mean?
| Window | Maximum | Located at | |
|---|---|---|---|
| 2 m (diagnostic) | ≈28% | 195–197 m | under overhead cover |
| 3 m (diagnostic) | ≈26% | 195–198 m | under overhead cover |
| 5 m | 25% | 395–400 m | |
| 10 m | 25% | 393–403 m | |
| 20 m | 23.2% | 369–389 m | |
| 25 m | 23.3% | 376–401 m | |
| 50 m | 22.0% | 360–410 m | |
| 100 m | 17.6% | 312–412 m |
≈ appears only on the 2–3 m diagnostic rows here, which does not lower the evidence quality: those windows are never headline values or ranking keys, so the letter reflects the standard (5–100 m) windows — which are clean on this climb.
descends at end Extent detection suggests reviewing where this climb starts/ends.
Map
Check this route yourself: Google Maps route via their router · Street View at the base where coverage exists · geojson.io our exact measured line · OpenTopoMap
This climb's data: OCL JSON — the full gradient ladder, quality flags and provenance in the OpenClimb Ladder format.
Surface: paved (2% unpaved), according to GIP.at, Austria's official transport graph: surface unrecorded for the first 20 m; paved for the first 221 m; surface unrecorded from 221 m to 282 m; paved from 282 m to the top; surface unrecorded from 720 m to the top; paved from 891 m to the top; surface unrecorded from 1,042 m to the top.
Access: Listed 2026-09-11 (Austria extent wave (public continuation kept)): road audit — way 447271435: service way, surface untagged; way 543336440: service way, surface untagged. Never silently ranked or dropped.
Measured, not vetted. This page records what the laser record shows about the road's shape — nothing more. Nobody has necessarily ridden or inspected this road for the survey, and a page here is not a recommendation and no guarantee that the road is open, surfaced, rideable or safe. Gates, private sections, missing rights of way and hazards do not show up in elevation data. Check access and conditions on the ground and make your own judgment.
Ridden it, or know better? Submit data for this climb no account needed · Share this climb
Route colour = gradient over a 25 m window: <10% 10–20% 20–25% ≥25%
Route line = the road surface as the LiDAR survey finds it. Basemap roads are for orientation and may sit a few metres off.
© OpenStreetMap contributors · topo tiles © OpenTopoMap (CC-BY-SA) · vector tiles OpenFreeMap · aerial imagery © basemap.at (CC BY 4.0)

Profile
The map, profile and gradient chart share one position — move your pointer over them and the marker follows. Colors are the gradient bands; the shaded span is the steepest 25 m. Any 25 m figure is good to about a point either way (why).


Measurement card
| Elevation | BEV ALS DTM 1 m — ALS DTM Höhenraster 1 m (Bundesamt für Eich- und Vermessungswesen with the Länder), EPSG:3035 |
|---|---|
| Resolution / CRS | 1.0 m grid, EPSG:3035; sampled every 1.0 m, bilinear interpolation |
| Tiles | E4657-N2672, E4657-N2673 |
| Road centreline | OpenStreetMap (local PBF extract) |
| Quality status | evidence quality A; caveated windows: canopy or structure |
| Analysis | OCL 0.1.0, analysis 0.1.0, run remeasure-261027-at-edition, calculated 2026-10-27 |
Provenance
{
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"run_manifest": {
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"code_git_sha": "ac4adb76695c6b499b0f381b08fc8f7573004516",
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"analysis_version": "0.1.0",
"analysis_config_digest": "sha256:dc124aecb16fc37d",
"python": "3.12.12",
"numpy": "2.5.2",
"rasterio": "1.5.1",
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"laspy": "2.7.0",
"shapely": "2.1.2",
"pyosmium": "4.3.1",
"libosmium": "2.23.1",
"gdal": "3.12.4",
"proj": "9.5.1",
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"region_key": "austria",
"crs": "EPSG:3035",
"elevation_provider_key": "bev-als",
"tile_index": "cog-grid",
"authority": "gip",
"registry_pbf": "austria-2026-09-11.osm.pbf",
"tile_index_snapshot": "sha256:41caef11a32bc092"
},
"sample_interval_m": 1.0,
"interpolation": "bilinear",
"smoothing": "none",
"gradient_windows_m": [
5.0,
10.0,
20.0,
25.0,
50.0,
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],
"diagnostic_windows_m": [
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],
"elevation_crs": "EPSG:3035",
"elevation_resolution_m": 1.0,
"elevation_tiles": [
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"data/cache/at/bev-als_dtm_E4657-N2673@20250915.tif"
],
"calculated_at": "2026-10-27T14:02:20+00:00",
"road_source": "OpenStreetMap (local PBF extract)",
"road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
"osm_pbf_path": "data/cache/pbf/austria-2026-09-11-batch.osm.pbf",
"osm_snapshot": "",
"run_id": "remeasure-261027-at-edition",
"elevation_provider": "BEV ALS DTM 1 m",
"elevation_licence": "Creative Commons Attribution 4.0 (CC BY 4.0) \u2014 \u00a9 BEV / L\u00e4nder, data.gv.at",
"elevation_dataset": "ALS DTM H\u00f6henraster 1 m (Bundesamt f\u00fcr Eich- und Vermessungswesen with the L\u00e4nder), EPSG:3035",
"elevation_tile_ids": [
"E4657-N2672",
"E4657-N2673"
],
"elevation_blocks": [
"N2650000E4650000@2025-09-15"
],
"bev_dsm_release": {
"N2650000E4650000": "20250915"
},
"route_cut_m": 459.0,
"climb_origin": "discovered",
"seam_filled_samples": {
"count": 0,
"distances_m": []
},
"seam_filled_in_maximum": false,
"structure_own_ways": "none \u2014 the route carried no way list and no mapped way runs along it; own decks unmasked",
"tunnel_check": "unavailable \u2014 the route carried no way list and no authority tunnel spans were supplied; tunnels unchecked",
"prior_doc": {
"slug": "bergstrasse-5",
"calculated_at": "2026-09-11T07:23:18+00:00",
"code_git_sha": null,
"analysis_version": "0.1.0",
"run_id": "at-run1-260911",
"path": "output/remeasure-261027-at-edition/plan/priors/bergstrasse-5/bergstrasse-5.json",
"prior_window_m": [
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],
"spans": 0,
"sources": []
},
"carriageway": {
"stations": 25,
"stations_resolved": 25,
"width_median_m": 5.25,
"width_p10_m": 2.55,
"width_min_m": 2.0,
"width_max_m": 12.0,
"bounded_share": 0.12,
"unbounded_share": 0.88,
"confidence_median": 0.0,
"width_median_bounded_m": 2.25,
"window_m": [
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401.0
],
"width_at_max25_m": 3.0,
"window_stations": 7,
"single_track": false,
"single_track_rule": "PROVISIONAL (2026-09-15): width_p10_m <= 3.0 m with bounded_share >= 0.6; recorded, not a rule",
"status": "ok",
"source": "dtm",
"station_m": 25.0,
"window_station_m": 5.0,
"halfwidth_m": 6.0,
"step_m": 0.25,
"level_tol_m": 0.12,
"break_min_m": 0.3,
"stations_failed": 0,
"hedge_to_hedge": {
"stations": 25,
"stations_resolved": 25,
"width_median_m": 4.5,
"width_p10_m": 1.8,
"width_min_m": 1.0,
"width_max_m": 12.0,
"bounded_share": 0.72,
"unbounded_share": 0.28,
"confidence_median": 1.0,
"width_median_bounded_m": 3.62,
"window_m": [
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"width_at_max25_m": 3.25,
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"status": "ok",
"source": "dsm",
"station_m": 25.0,
"window_station_m": 5.0,
"halfwidth_m": 6.0,
"step_m": 0.25,
"level_tol_m": 0.5,
"break_min_m": 0.3,
"stations_failed": 0
}
},
"remeasured": {
"on": "2026-10-27",
"why": "BEV 2025-09-15 edition re-measure of pages folded on stale 2022 index; 46-6692 + 47-6329 parity LOST accepted (texture edge / parity-tool offset); 46-6611 and gde-str-gang held",
"published_max25_pct": 23.22,
"max25_pct": 23.26,
"rise_ruling": "EDITION: BEV 2025-09-15 replaces the stale 2022-09-15 edition; line moved <=0.075 m, uniform dz",
"published_length_m": 458.99999999989893,
"length_m": 458.9999999999072,
"expected_length_m": 459.0
},
"license": "ODbL-1.0",
"license_url": "https://howsteep.org/licensing"
}