Set out on Little Si trail with destination of old (Big) Mt. Si trail. Co-worker had given me idea and maps and I was able to figure it out with a few minor missteps. Maybe I should have perused this site some more as I’m sure there are other write-ups with directions/etc. It’s not like these trails aren't heavily used (even the old Si trail). Anyway, I hiked the Little Si trail until the first Boulder Garden Loop trail. According to the map I had this did not connect to the old Si trail, however, I would find out that either Boulder Garden Loop trailhead will connect you to the old Si trail. I ultimately took the second trailhead and that took me to the unmarked old Si trail on the left. I only passed 2 people on the trail up, 2 ladies that informed me they were on this trail on Mother’s Day and counted 50 people on it! So I guess the secret's out! The trail is a steady uphill and a bit rockier than the new, main Si trail. The trail goes up about 3 miles and then connects with the main Si trail close to the top. There was no snow on the trail up and very minimal snow in the flats. The haystack was clear of any snow, ice, or water so I ambled up. Great views from Baker (barely visible), Glacier Peak, Olympics, and all the I90 area hills and peaks. Lots of snow still on many of the nearby peaks. A girl at the top told me how she attempted Mailbox on Wednesday (in tennis shoes) and had to turn around due to all the snow. Must be nice to be young, I noticed her and her group all in sneakers. There were 8 other people up on the haystack summit. A shout out to the 2 guys from OSAT, good luck with all the climbs this summer. They had also hiked up the old trail so I went back with them. Interesting guys to talk to. I gave some tips to one of the guys about guidebooks and this fine site! I must be getting old, despite having hiked the past 4 Fridays (shorter stuff) I was sore for a couple of days after this one. Great trail for avoiding the crowds (at least today – sounds like weedends might be busy here too). Trail in good shape even though "unmaintained". Only a couple of minor blowdowns encountered.