http://2cnrtuprdw5ylmnusssmob5ia2tydg6bdtzjce7iyrtl3x4zgi52lrid.onion
Through Whonix you can connect directly, other configurations are possible as well. To use the SOCKS5 proxy that comes with the Tor Browser enable the SOCKS5 proxy in the wallet under Settings > Interface and set it to 127.0.0.1:9050 when only running the client, or 127.0.0.1:9150 when running the Tor Browser.