**Clues updated September 2018.**
You can check your answers for this puzzle on GeoChecker.com.
There is free on-road parking nearby.
The Palace is open to visitors from Sunday-Wednesday (10-5 Apr-Oct, 11-4 Nov-Mar). On these days it may be best to use the official carpark (N51.26.664 E0.3.115) as the free parking is intended for disabled drivers when the Palace is open.
Finding the cache involves walking less than 1Km on the public footpaths (King John's Walk) from the above co-ordinates.
The cache can easily be tackled in reverse order. There is unrestricted free parking along much of the northern side of Middle Park Avenue. Try N51.26.553, E0.2.523, then look for a Green Chain Walk footpath sign
The starting point is around 1Km from either Mottingham or Eltham train stations.
The cache is located at a local high-point along the Green Chain Walk and Capital Ring. There is a good view across to London while collecting the answers. There are often horses in the nearby fields.
Eltham Palace is a fascinating combination of a luxurious Art Deco home and an important medieval royal palace.
http://www.elthampalace.org.uk/
Initially a moated manor house bought by Edward II in 1305, additions such as the impressive hammerbeam-roofed Great Hall in the 1470s created one of England's largest palaces for a succession of royals. Most famously, Henry VIII grew up here. After the Civil War the palace fell into decline for over 200 years and the Great Hall, once the scene of lavish feasts, was even used as a barn.
In 1933 the palace was bought by Stephen and Virginia Courtauld, who restored the Great Hall and built their adjoining Art Deco home. Filled with opulently gilded interiors, the latest mod cons and cutting-edge design features, Eltham Palace once again became a hub for society entertaining.
There are 19 acres of grounds to explore. The gardens are particularly stunning in spring. Its a good place to picnic.
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See waypoints for the clues; make sure you refresh the page to get the updated waypoints incorporating the new sign. When you have collected the numbers required from Stage1 and Stage2 the final location can be found at:
N 51.PQ.RST E 000.0W.XYZ
Where
PQ = C (not algebra, just a 2-digit number!) R = E +G ST = B + G
W = D X = F + G YZ = A + D - H
Reminder:- At Waypoint 1: A: Number of braille dots on notice board B: At the top left of the map you'll see a dog running over a bridge. How many planks of wood, of any colour, make up the bridge's walkway? C: Now look for the signpost. How far is it to Highgate Wood? D: How far is it to Elmstead Woods?
At Waypoint 2: At the next location you will find an information board. This identifies a number of buildings that you will normally be able to see in the distance.
E: In the telephone number of the designer of the board, one digit is repeated three times. This digit is E.
F: Anne Boleyn came here in 15FG G: Anne Boleyn came here in 15FG H: Someone was held prisoner at the palace until 13H