Hi Jez,
Not sure if the camp site is actually a flyfishing school. It's a public camp site managed by the NPWS and has a pit toilet, which is handy. I guess what I meant was that all the people car camping there appeared to be fly fishing. Or is that what you mean by "school"? Sorry, as a "silver bait" fisherman my actual fishing knowledge is really limited
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We did this trip back in 2006. To get to the start I used the instructions below (from
http://www.pbase.com/bookster/kalkmtn) which has some good info and photos. We drove there in an XJ series Jeep Cherokee Sport/Classic that I used to own. It had heavier duty front coil springs fitted and an extra leaf spring at the rear so was about 25mm higher than standard. That said I think a Pathfinder would be fine, driven carefully. I saw one or two Suzuki Vitaras there so you should be OK.
"For navigation, use the 1:25000 LPI sheets NIMMO PLAIN and KALKITE MOUNTAIN. To reach the start of the walk, turn onto Nimmo road (where powerlines cross the road) just north of Rocky Plains on the Jindabyne- Eucumbene road. Cross Nimmo bridge, then drive past Nimmo Nature reserve on the left, climbing to the top of Nimmo hill (so many Nimmos!), where the road turns right, away from the powerlines. Island Bend fire trail continues straight ahead with the overhead lines. Drive through 4 sets of gates (leaving them as you find them) until you reach a locked gate on a bridge across the Gungarlin river. This is a very nice camping spot, and the starting point for the walk. The road is pretty rough, cars with low clearance are best left at the top of Nimmo Hill..."So, basically just take the Eucumbene Rd north of Jindabyne, left onto Nimmo Rd, which eventually joins the Island Bend Fire Trail. Follow this to the camp site at the Gungarlin River.
While it would possibly seem easier to approach from Island Bend, I don't think it can be done. From memory, unless things have since changed, a permanently locked gate blocks vehicle access somewhere along that side. I remember telephoning the ranger for the area when planning that trip and his advice was essentially the same as the notes above, emphasising the need for 4WD with good clearance.
The walk from the camp site to Kalkite Mountain summit is not too difficult for experienced walkers. Across the Botherum Plain it's old fire trail, with a shallow crossing of the Gungarlin on the way. Distance is about 14km return, but includes roughly 3 km off track (each way) from Kalkite Gap. Elevation gain is around 250m. KG is designated by a lone large round rock, aka "Kalkite Rock". It's not difficult off track (steep-ish, of course) but there's a bit of navigation and you need to avoid being confused by all the brumby tracks. Nearing 1550m ASL, the views from the top over Lake Jindabyne etc are breathtaking. These views are actually from the trig, a short distance past the true summit. I've read descriptions of the Botherum Plain area that say things like "beautiful, remote lonely place" and I'd have to agree. We had a very up close encounter with brumbies on the return walk, getting a little too close and received some unsettling attention from a stallion before they all turned in unison and stampeded in the opposite direction. I know they're feral and cause a lot of damage, particularly if they get up into the alpine zones, but this was quite a spectacle and experience. The Botherum Plain hut is about 1 km from the start, and is worth a visit in either direction but is well off track and not easily seen on the outward leg, so better done on the way back. I think the walk took around 5 hours, possibly slightly more, as I decided to take a "short cut" directly west down Kalkite Mtn rather than simply reverse the route. It worked but was not a great choice due to scrub, fallen timber and a much steeper gradient.
I'll post a few photos separately.