Hertfordshire (85k)
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Route summary
| A longer undulating route from Mill Hill north through Hertfordshire to Welwyn Garden City and returning east of St. Albans. |
| "Digital Data © Bartholomew (2006)" |
Start and finish
| The route starts and finishes at Copthall Pools car park on Champions Way, Mill Hill. |
Route details
| Km | Directions |
| 0 | Right out of Copthall Pools parking lot (Champions Way). Note three climbs in first 5k, then not so bad. |
| 0.5 | Right (follow Page Street through roundabouts and uphill). |
| 1.1 | Left onto Hammers Lane. |
| 2.6 | Left (Three Hammers pub). Note downhill blind corner with possible traffic from left. |
| 3.4 | Right onto Highwood Hill, direction Arkley (Rising Sun pub). |
| 4.0 | Left onto Hendon Wood Lane, direction Arkley. |
| 5.5 | Right onto Barnet Road (A411), direction Barnett (Gate pub). |
| 9.0 | Left onto A1000, direction Hatfield. Hint to avoid traffic: left at Black Horse pub, right onto Union, right at TA, then left. |
| 10.1 | Continue on A1000, direction Hatfield. |
| 14.5 | Bear Left on A1000, direction Hatfield. 85k route splits here with longer route. |
| 16.7 | Left at Northaw onto Vineyards Lane (direction Newgate Street). |
| 20.6 | Left, direction Little Berkhampstead. |
| 23.8 | Right, direction Hertford. |
| 25.7 | Left onto B158, direction Essendon. |
| 27.0 | Right (direction Letty Green & Cole Green). |
| 29.0 | Left, direction A414. |
| 29.6 | Right onto A414 dual carrage way |
| 30.1 | Left, direction Welwyn & B1000. |
| 31.7 | Left onto B1000, direction Welwyn. |
| 34.3 | Straight, direction Digwell. |
| 35.7 | Straight under viaduct. |
| 36.4 | Straight, direction Welwyn (not WGC!). |
| 37.5 | Bear Left into Welwyn. |
| 37.8 | Right at T-junction. |
| 38.3 | Left, direction Ayot St Lawrence & Kimpton (follow Kimpton Road) |
| 40.4 | Left, direction Ayot St Lawrence & Wheathampstead. Note Shaw's Corner N.T. point of interest ~2k NW |
| 44.4 | Right then Left into Wheathampstead Village Centre. REST STOP possible at Brewhaouse Gallery café just after bridge. Note mainline rail service to Mill Hill & C.London from St Albans (S ~7k) or Harpenden (W ~5k) |
| 45.4 | Left at Swan pub, direction Welwyn Garden City Note for next 5k the route follows country lanes SSE toward Colney Heath. Alternately, go S to Sandridge on B651 then SE toward Colney Heath. |
| 46.2 | Right onto Beech Hyde Lane (after Devil's Dyke Road). |
| 47.8 | Straight onto Tower Hill Lane. |
| 48.8 | Left onto Hammonds Lane. |
| 50.9 | Right, direction St Albans. |
| 51.3 | Bear Left. |
| 53.3 | Left, direciton Smallford & Colney Heath. |
| 56.2 | Right onto A414 dual carrage way, direction Colney Heath (then immediately next instruction). |
| 56.2 | Left, direction Colney Heath. |
| 57.5 | Right, direction London Colney. |
| 60.7 | Left at RB, 2nd exit direction Radlett. |
| 61.0 | Right at RB, direction Radlett. |
| 62.4 | Left at RB onto B5378, direction Shenley. |
| 64.4 | Right then Left, direction Radlett. |
| 65.0 | REST STOP possible at Shenley Park Tea Room. |
| 67.3 | Straight, crossing A5183 (Red Lion Hotel on right). Note mainline rail service to Mill Hill & C.London from Radlett. |
| 67.8 | Bear Left onto B462, direction Aldenham. |
| 69.8 | Left at Round Bush onto Primrose Lane (direction Leachmore Heath). |
| 71.0 | Right at Leachmore Heath, direction Elstree. |
| 74.7 | Left onto A411, direction Barnet. |
| 78.2 | Caution! Busy crossing at Sterling Corner RB, direction Barnet. |
| Detour for safety: follow cycle path left 1.5k, cross above A1 toward Barnet on Rowley Lane 1.3k, right on Barnet Road, left onto Hendon Wood Lane (Gate pub). | |
| 79.3 | Right onto Hendon Wood Lane (Gate pub). |
| 80.6 | Right onto Highwood Hill, direction Mill Hill. |
| 81.3 | Left on Highwood Hill, direction Mill Hill. |
| 82.1 | Right at Three Hammers pub. |
| 83.5 | Right onto Page Street (direction Copthall Stadium & Golf). |
| 84.2 | Left onto Champions Way. |
| 84.8 | Finish. |