22:
115:
186:
66:
which covered
Hertfordshire around 450,000 years ago. The vegetation is chalk scrub, and there are many species of birds, including yellowhammer, spotted flycatcher, blue tit and tawny owl.
604:
144:
179:
119:
172:
565:
59:
52:
89:
195:
40:
69:
The entrance to the site is a short distance along an unnamed road which goes north from the junction of The Joint and
Royston Road.
614:
340:
521:
151:
284:
551:
259:
62:(RIGS) by the Hertfordshire RIGS Group. It exposes a chalk block which is out of position because it was displaced by the
482:
294:
365:
216:
322:
472:
467:
398:
546:
609:
541:
500:
370:
332:
36:
93:
452:
236:
416:
619:
490:
462:
406:
360:
226:
531:
444:
434:
411:
345:
299:
536:
269:
55:, were to return to Council management as the Trust was no longer able to meet the cost.
48:
211:
598:
495:
274:
244:
164:
63:
526:
457:
388:
355:
264:
116:"North Herts District Council takes back management of three Trust nature reserves"
44:
21:
350:
304:
249:
221:
580:
567:
43:(HMWT). In February 2016 HMWT announced that three sites, Barkway Chalk Pit,
380:
314:
289:
279:
254:
426:
203:
32:
118:. Herts and Middlesex Wildlife Trust. 15 February 2016. Archived from
20:
168:
150:. Hertfordshire RIGS Group. 2003. p. 28. Archived from
145:"A Geological Conservation Strategy for Hertfordshire"
92:. Herts and Middlesex Wildlife Trust. Archived from
509:
481:
443:
425:
397:
379:
331:
313:
235:
202:
51:, which HMWT managed on behalf of their owner,
180:
8:
605:Herts and Middlesex Wildlife Trust reserves
31:is a small (0.3 hectare) nature reserve in
187:
173:
165:
78:
139:
137:
16:Nature reserve in North Hertfordshire
7:
84:
82:
60:Regionally important geological site
53:North Hertfordshire District Council
196:Herts and Middlesex Wildlife Trust
41:Herts and Middlesex Wildlife Trust
14:
341:Ashwell Quarry and Quarry Springs
58:The site has been designated a
285:Tewin Orchard and Hopkyns Wood
1:
522:Darland's Lake Nature Reserve
636:
265:Hunsdon and Eastwick Meads
615:Geology of Hertfordshire
39:. It was managed by the
323:Hilfield Park Reservoir
581:52.011093°N 0.011493°E
25:
473:Stocking Springs Wood
468:Stanborough Reedmarsh
24:
547:Sawbridgeworth Marsh
586:52.011093; 0.011493
577: /
542:Rowley Green Common
501:Uxbridge Alderglade
371:Purwell Ninesprings
333:North Hertfordshire
157:on 19 January 2010.
90:"Barkway Chalk Pit"
37:North Hertfordshire
453:Fir and Pond Woods
237:East Hertfordshire
26:
560:
559:
517:Barkway Chalk Pit
64:Anglian ice sheet
29:Barkway Chalk Pit
627:
592:
591:
589:
588:
587:
582:
578:
575:
574:
573:
570:
463:Lemsford Springs
407:Frogmore Meadows
361:Hexton Chalk Pit
227:Tring Reservoirs
189:
182:
175:
166:
159:
158:
156:
149:
141:
132:
131:
129:
127:
112:
106:
105:
103:
101:
96:on 27 April 2015
86:
635:
634:
630:
629:
628:
626:
625:
624:
595:
594:
585:
583:
579:
576:
571:
568:
566:
564:
563:
561:
556:
532:Marshalls Heath
510:Former reserves
505:
491:Broadwater Lake
477:
445:Welwyn Hatfield
439:
435:Cassiobury Park
421:
412:Longspring Wood
393:
375:
346:Blagrove Common
327:
309:
300:Waterford Heath
231:
198:
193:
163:
162:
154:
147:
143:
142:
135:
125:
123:
122:on 4 April 2016
114:
113:
109:
99:
97:
88:
87:
80:
75:
17:
12:
11:
5:
633:
631:
623:
622:
617:
612:
607:
597:
596:
558:
557:
555:
554:
552:Telegraph Hill
549:
544:
539:
534:
529:
524:
519:
513:
511:
507:
506:
504:
503:
498:
493:
487:
485:
479:
478:
476:
475:
470:
465:
460:
455:
449:
447:
441:
440:
438:
437:
431:
429:
423:
422:
420:
419:
417:Stocker's Lake
414:
409:
403:
401:
395:
394:
392:
391:
385:
383:
377:
376:
374:
373:
368:
363:
358:
353:
348:
343:
337:
335:
329:
328:
326:
325:
319:
317:
311:
310:
308:
307:
302:
297:
292:
287:
282:
277:
272:
267:
262:
260:Hertford Heath
257:
252:
247:
241:
239:
233:
232:
230:
229:
224:
219:
214:
212:Aldbury Nowers
208:
206:
200:
199:
194:
192:
191:
184:
177:
169:
161:
160:
133:
107:
77:
76:
74:
71:
15:
13:
10:
9:
6:
4:
3:
2:
632:
621:
618:
616:
613:
611:
608:
606:
603:
602:
600:
593:
590:
553:
550:
548:
545:
543:
540:
538:
535:
533:
530:
528:
525:
523:
520:
518:
515:
514:
512:
508:
502:
499:
497:
496:Old Park Wood
494:
492:
489:
488:
486:
484:
480:
474:
471:
469:
466:
464:
461:
459:
456:
454:
451:
450:
448:
446:
442:
436:
433:
432:
430:
428:
424:
418:
415:
413:
410:
408:
405:
404:
402:
400:
396:
390:
387:
386:
384:
382:
378:
372:
369:
367:
364:
362:
359:
357:
354:
352:
349:
347:
344:
342:
339:
338:
336:
334:
330:
324:
321:
320:
318:
316:
312:
306:
303:
301:
298:
296:
293:
291:
288:
286:
283:
281:
278:
276:
275:Patmore Heath
273:
271:
268:
266:
263:
261:
258:
256:
253:
251:
248:
246:
245:Amwell Quarry
243:
242:
240:
238:
234:
228:
225:
223:
220:
218:
217:Alpine Meadow
215:
213:
210:
209:
207:
205:
201:
197:
190:
185:
183:
178:
176:
171:
170:
167:
153:
146:
140:
138:
134:
121:
117:
111:
108:
95:
91:
85:
83:
79:
72:
70:
67:
65:
61:
56:
54:
50:
46:
42:
38:
34:
30:
23:
19:
562:
537:Pryor's Wood
527:Hill End Pit
516:
458:Gobions Wood
399:Three Rivers
389:Ridlins Mire
356:Hawkins Wood
295:Thorley Wash
270:King's Meads
152:the original
124:. Retrieved
120:the original
110:
98:. Retrieved
94:the original
68:
57:
49:Pryor's Wood
45:Hill End Pit
28:
27:
18:
584: /
366:Oughtonhead
610:Chalk pits
599:Categories
569:52°00′40″N
483:Hillingdon
351:Fox Covert
305:Willowmead
250:Balls Wood
222:Long Deans
73:References
572:0°00′41″E
381:Stevenage
315:Hertsmere
290:Tewinbury
280:Rye Meads
255:Danemead
620:Barkway
427:Watford
204:Dacorum
126:4 April
100:4 April
33:Barkway
155:(PDF)
148:(PDF)
128:2016
102:2016
47:and
35:in
601::
136:^
81:^
188:e
181:t
174:v
130:.
104:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
